{"cik":91928,"entityName":"SOUTH JERSEY INDUSTRIES, INC.","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2010-08-02","val":29872825,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-11-01","val":29872825,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2011-02-21","val":29883823,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2011-05-02","val":29953094,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-08-01","val":30034646,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-11-01","val":30140819,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2012-02-15","val":30249818,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2012-05-01","val":30400671,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-08-01","val":30865642,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-11-01","val":31262570,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2013-02-15","val":31744916,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-05-01","val":31960311,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-08-01","val":31984745,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-11-01","val":32207008,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2014-02-15","val":32741344,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-05-01","val":32978971,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-08-01","val":33135306,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-11-01","val":33646410,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2015-02-15","val":34204956,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-05-01","val":34228382,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-08-03","val":68542760,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-11-02","val":69294447,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2016-02-15","val":71130732,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2016-05-02","val":71425506,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-08-01","val":79477822,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-11-01","val":79477822,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2017-02-15","val":79516553,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2017-05-01","val":79547998,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-08-01","val":79549014,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-11-01","val":79549080,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-02-15","val":79595317,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2018-02-15","val":79595317,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2018-05-01","val":85502759,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-08-01","val":85506217,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-11-01","val":85506217,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2019-02-15","val":92315906,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2019-05-01","val":92388676,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-08-01","val":92390349,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-11-01","val":92392876,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2020-02-15","val":92444649,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2020-05-01","val":92462219,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-08-01","val":100586050,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-11-01","val":100590307,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2021-02-15","val":100615918,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2021-05-01","val":112421394,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-08-01","val":112447099,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-11-01","val":112448495,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2022-02-15","val":117379409,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2022-05-01","val":122407427,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-08-01","val":122464793,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-11-01","val":122464793,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EntityNumberOfEmployees":{"label":"Entity Number of Employees","description":"Number of persons employed by the Entity","units":{"employee":[{"end":"2019-12-31","val":1111,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1130,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1130,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1130,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1130,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1130,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1155,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1176,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1167,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1173,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1173,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1173,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1173,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1172,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1169,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1163,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2009-06-30","val":1034720588,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-06-30","val":1034720588,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q2I"},{"end":"2010-06-30","val":1277133181,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-06-30","val":1277133181,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-06-30","val":1277133181000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2I"},{"end":"2011-06-30","val":1618869765,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q2I"},{"end":"2012-06-30","val":1544272903,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q2I"},{"end":"2013-06-30","val":1827264253,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q2I"},{"end":"2014-06-30","val":1988165290,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q2I"},{"end":"2015-06-30","val":1687786543,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q2I"},{"end":"2016-06-30","val":2506525273,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q2I"},{"end":"2017-06-30","val":2710972523,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-06-30","val":2710972523,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q2I"},{"end":"2018-06-30","val":2854343456,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2I"},{"end":"2019-06-30","val":3116326472,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2I"},{"end":"2020-06-30","val":2507437599,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q2I"},{"end":"2021-06-30","val":2910165365,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q2I"}]}}},"us-gaap":{"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2009-12-31","val":123921000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":123921000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":123921000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":111652000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":107381000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":165197000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":165197000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":165197000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":165197000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":165197000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":154381000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":160014000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":131361000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":153666000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":153666000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":153666000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":153666000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":153666000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":128203000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":109882000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":111071000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":193331000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":193331000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":193331000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":193331000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":193331000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":217517000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":192381000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":200466000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":259757000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":259757000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":259757000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":259757000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":259757000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":295730000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":242710000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":211602000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":272998000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":272998000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":272998000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":272998000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":272998000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":221230000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":193719000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":189122000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":186400000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":186400000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":186400000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":186400000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":186400000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":151006000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":166418000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":141096000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":243669000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":272673000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":246688000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":208021000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":284899000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":259684000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":262090000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":383465000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":410463000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":410463000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":410463000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":410463000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":410463000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":332876000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":288881000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":245813000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":232242000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":232242000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":232242000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":232242000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":232242000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":187647000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":160392000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":162845000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":256589000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":256589000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":256589000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":256589000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":256589000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":218078000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":226108000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":300955000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":330164000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":330164000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":330164000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":330164000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":358632000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":429986000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":483060000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AccountsReceivableGrossCurrent":{"label":"Accounts Receivable, before Allowance for Credit Loss, Current","description":"Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2009-12-31","val":141109000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":141109000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":141109000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":164325000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":131845000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":200773000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":200773000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":200773000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":200773000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":200773000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":213088000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":209707000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":144853000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":135253000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":135253000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":135253000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":135253000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":135253000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":152623000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":131727000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":137837000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":195293000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":195293000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":195293000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":195293000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":195293000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":279061000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":246460000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":192197000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":253566000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":253566000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":253566000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":253566000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":253566000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":362675000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":284231000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":202987000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":251892000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":251892000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":251892000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":251892000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":251892000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":322803000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":257216000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":213113000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":178359000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":178359000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":178359000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":178359000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":178359000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":179662000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":175341000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":159994000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":222339000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":234312000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":180551000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":150607000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2017-12-31","val":202379000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":243395000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2018-03-31","val":243395000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1I"},{"end":"2018-06-30","val":196601000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2018-06-30","val":196601000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":220561000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":317917000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":223314000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":179108000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":253661000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":253661000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":253661000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":253661000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":253661000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":262850000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":231434000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":167534000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":278723000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":278723000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":278723000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":278723000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":278723000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":327832000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":259045000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":272286000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":343835000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":343835000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":343835000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":343835000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":407313000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":378095000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":352437000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AccountsReceivableNetCurrent":{"label":"Accounts Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2017-12-31","val":202379000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":337502000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"AccrualForEnvironmentalLossContingencies":{"label":"Accrual for Environmental Loss Contingencies","description":"Total costs accrued as of the balance sheet date for environmental loss contingencies.","units":{"USD":[{"end":"2009-12-31","val":73442000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":91833000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":91833000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":94160000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":94160000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":94160000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":112098000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":112098000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":112098000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2013-12-31","val":123429000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":123429000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":123429000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013Q4I"},{"end":"2014-12-31","val":128172000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":128172000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":128172000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":126623000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":126623000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":126623000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":126623000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-12-31","val":155013000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":155013000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":155013000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":155013000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-12-31","val":172855000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":172855000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":172855000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":172855000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-12-31","val":253650000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":253650000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":253650000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-12-31","val":232885000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":232885000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":232885000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-12-31","val":193575000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":193575000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":166081000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses":{"label":"Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses","description":"Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":19489000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"1980-01-01","end":"2016-12-31","val":437100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":60713000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":60713000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":60713000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"1980-01-01","end":"2017-12-31","val":490700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"1980-01-01","end":"2017-12-31","val":490700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":56405000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":56405000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":56405000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"1980-01-01","end":"2018-12-31","val":627100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"1980-01-01","end":"2018-12-31","val":642600000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":58706000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":58706000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":15126000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"1980-01-01","end":"2020-12-31","val":620500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"1980-01-01","end":"2020-12-31","val":629600000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"}]}},"AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures":{"label":"Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions and Divestitures","description":"Amount of increase (decrease) in the obligation for environmental loss contingencies from business acquisitions (divestitures).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":73265000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":73265000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":15126000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-22198000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-22198000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":9111000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AccrualForEnvironmentalLossContingenciesPayments":{"label":"Accrual for Environmental Loss Contingencies, Payments (Deprecated 2016-01-31)","description":"The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":8980000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"1980-01-01","end":"2011-12-31","val":195400000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":19607000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":19607000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"1980-01-01","end":"2012-12-31","val":207800000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":12411000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":12411000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"1980-01-01","end":"2013-12-31","val":219300000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":11490000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":11490000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"1980-01-01","end":"2014-12-31","val":233100000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":13790000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":13790000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"1980-01-01","end":"2015-12-31","val":250600000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":21038000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"AccrualForEnvironmentalLossContingenciesPayments1":{"label":"Accrual for Environmental Loss Contingencies, Payments","description":"Amount of cash outflow to settle environmental loss contingencies.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":21038000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"1980-01-01","end":"2016-12-31","val":282100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":32323000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":32323000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":32323000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"1980-01-01","end":"2017-12-31","val":317900000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"1980-01-01","end":"2017-12-31","val":317900000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":38563000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":38563000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":38563000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"1980-01-01","end":"2018-12-31","val":373500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"1980-01-01","end":"2018-12-31","val":409800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":51176000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":51176000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":35891000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":35891000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"1980-01-01","end":"2020-12-31","val":426900000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"1980-01-01","end":"2020-12-31","val":463500000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"start":"2020-01-01","end":"2020-12-31","val":17112000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":17112000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":36605000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AccrualForEnvironmentalLossContingenciesProvisionForNewLosses":{"label":"Accrual for Environmental Loss Contingencies, Provision for New Losses (Deprecated 2016-01-31)","description":"The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":27371000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"1980-01-01","end":"2011-12-31","val":289500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":21934000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":21934000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"1980-01-01","end":"2012-12-31","val":319900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":30349000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":30349000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"1980-01-01","end":"2013-12-31","val":342700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":22821000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":22821000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"1980-01-01","end":"2014-12-31","val":361200000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":18533000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":18533000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"1980-01-01","end":"2015-12-31","val":377200000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":19489000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"AccruedEnvironmentalLossContingenciesCurrent":{"label":"Accrued Environmental Loss Contingencies, Current","description":"Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.","units":{"USD":[{"end":"2009-12-31","val":23639000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":23639000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":23639000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":24746000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":23595000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":27074000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":27074000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":27074000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":27074000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":27074000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":21713000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":21902000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":21797000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":24721000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":24721000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":24721000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":24721000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":24721000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":18709000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":23908000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":20224000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":21026000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":21026000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":21026000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":21026000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":21026000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":23215000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":25691000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":27064000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":16695000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":16695000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":16695000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":16695000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":16695000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":27184000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":23715000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":23276000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":30430000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":30430000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":30430000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":30430000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":30430000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":38186000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":41704000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":46307000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":50559000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":50559000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":50559000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":50559000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":50559000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":55065000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":72315000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":59676000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":46120000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":54210000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":59706000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":57406000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":66372000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":60846000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":43808000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":59799000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":47592000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":47592000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":47592000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":47592000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":47592000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":50258000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":53230000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":50220000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":43849000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":43849000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":43849000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":43849000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":43849000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":55446000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":54731000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":47956000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":45265000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":45265000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":45265000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":45265000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":45265000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":47803000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":44053000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":41150000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":40905000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":40905000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":40905000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":40905000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":37506000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":39654000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":41583000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AccruedEnvironmentalLossContingenciesNoncurrent":{"label":"Accrued Environmental Loss Contingencies, Noncurrent","description":"Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.","units":{"USD":[{"end":"2009-12-31","val":49803000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":49803000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":49803000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":46610000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":48602000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":64759000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":64759000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":64759000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":64759000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":64759000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":65800000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":65037000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":63899000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":69439000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":69439000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":69439000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":69439000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":69439000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":73962000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":69140000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":75495000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":91072000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":91072000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":91072000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":91072000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":91072000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":88638000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":88379000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":85254000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":106734000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":106734000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":106734000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":106734000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":106734000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":96708000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":96275000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":100612000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":97742000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":97742000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":97742000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":97742000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":97742000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":90159000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":87440000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":82575000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":76064000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":76064000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":76064000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":76064000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":76064000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":85263000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":83495000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":103332000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":108893000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":104705000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":103214000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":120123000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":106483000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":101551000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":108054000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":163047000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":206058000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":206058000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":206058000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":206058000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":206058000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":204645000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":201381000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":198558000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":189036000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":189036000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":189036000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":189036000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":189036000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":184000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":145339000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":148515000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":148310000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":148310000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":148310000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":148310000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":148310000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":139954000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":135922000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":131124000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":125176000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":125176000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":125176000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":125176000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":123109000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":124984000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":122329000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AccumulatedDeferredInvestmentTaxCredit":{"label":"Accumulated Deferred Investment Tax Credit","description":"The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.","units":{"USD":[{"end":"2009-12-31","val":1518000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2009-12-31","val":1518000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1518000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":1362000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1285000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1207000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2010-12-31","val":1207000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":1207000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":1207000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":1207000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2011-03-31","val":1132000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1056000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":981000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":905000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":905000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":905000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":905000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":905000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":833000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":761000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":690000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":618000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":618000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":618000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":618000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":618000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":553000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":489000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":424000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":360000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":360000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":360000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":360000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":360000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-03-31","val":307000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":254000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":201000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":149000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":149000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":149000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":149000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":149000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-03-31","val":111000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":74000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":37000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2009-12-31","val":20212000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":20212000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":20212000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":21077000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":22142000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":23319000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":23319000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":23319000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":23319000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":23319000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":24457000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":25824000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":25268000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":26687000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":26687000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":26687000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":26687000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":26687000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":29157000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":31608000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":34251000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":36208000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":36208000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":36208000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":36208000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":36208000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39423000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":43589000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":47609000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":52009000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":52009000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":52009000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":52009000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":52009000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":57968000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":64329000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":70619000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":77345000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":77345000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":77345000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":77345000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":77345000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":84524000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":92195000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":100218000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":108307000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":108307000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":108307000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":108307000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":108307000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":117737000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":128574000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":139971000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":151084000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":161310000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":173009000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":183475000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":194913000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":205230000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":48954000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":49888000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":52629000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":52629000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":52629000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":52629000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":52629000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":53992000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":54845000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":56037000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13807000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":13807000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":13807000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":13807000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":13800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":14202000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":13709000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":13389000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":35100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":35367000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2009-12-31","val":-19469000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":-19469000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":-19469000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":-19992000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":-20130000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":-21812000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":-21812000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":-21812000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":-21812000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":-21812000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":-22938000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":-22691000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":-23317000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-28438000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":-28438000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":-28438000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":-28438000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":-28438000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-30179000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":-30410000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":-29774000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":-31105000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":-31105000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":-31105000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":-31105000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":-31105000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":-26299000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2013-03-31","val":-26299000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q1I"},{"end":"2013-06-30","val":-26234000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2013-06-30","val":-26234000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q2I"},{"end":"2013-09-30","val":-25972000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":-20760000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":-20760000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":-20760000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":-20760000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":-20760000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":-20650000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2014-03-31","val":-20650000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-20512000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2014-06-30","val":-20512000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-20996000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-30258000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":-30258000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":-30258000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-30258000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":-30258000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-30257000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-03-31","val":-30257000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-30151000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-06-30","val":-30151000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-30372000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-24499000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":-24499000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":-24499000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":-24499000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":-24499000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-24399000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2016-03-31","val":-24399000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-24295000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-24092000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":-27381000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":-25866000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-25859000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":-25852000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":-36765000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":-36756000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":-36748000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":-36740000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-26095000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":-26095000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":-26095000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":-26095000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":-26095000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":-26087000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":-26079000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":-26070000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":-32558000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":-32558000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":-32558000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":-32558000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":-32558000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-32550000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-32542000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-32533000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":-38216000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":-38216000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":-38216000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":-38216000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":-38216000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":-38208000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":-38200000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":-38191000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":-26729000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":-26729000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":-26729000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":-26729000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":-26720000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":-26712000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":-26704000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AdditionalCollateralAggregateFairValue":{"label":"Additional Collateral, Aggregate Fair Value","description":"The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.","units":{"USD":[{"end":"2011-06-30","val":2400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":8100000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":14500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":14500000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":7200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3200000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3700000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":25100000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":27900000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":29800000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":28300000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":37800000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":24500000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":23800000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":30200000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":35300000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":39800000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":45000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-03-31","val":31500000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":20100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":15900000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2800000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3600000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2400000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-03-31","val":200000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":200000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":500000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-03-31","val":100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":500000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":400000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":400000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":200000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":100000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2009-12-31","val":254503000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":254503000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":254503000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":255461000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":255968000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":257274000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":257274000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":257274000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":257274000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":257274000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":257778000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":258567000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":264374000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":273303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":273303000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":273303000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":273303000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":273303000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":276677000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":283655000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":315760000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":345807000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":345807000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":345807000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":345807000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":345807000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":353530000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":359431000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":361578000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":401011000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":401011000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":401011000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":401011000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":401011000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":406397000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":418829000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":431244000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":480928000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":438384000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":438384000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":438384000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":438384000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":440882000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":443141000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":449792000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":499460000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":499460000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":499460000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":499460000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":499460000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":505601000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":705106000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":706058000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":706943000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":707483000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":708082000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":709448000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":709658000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":709756000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":842327000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":843064000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":843268000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":843268000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":843268000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":843268000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":843268000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1023097000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1024974000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1026643000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1027902000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1027902000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1027902000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1027902000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1027902000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1027550000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1216363000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1217822000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1218000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1218000000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1218000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1218000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1218000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1193552000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1462322000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1463655000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1559060000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1559060000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1559060000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1559060000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1653313000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1654503000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1655694000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AdditionsToNoncurrentAssets":{"label":"Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31)","description":"Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":121364000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":61292000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":29096000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":98646000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":37354000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":163963000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":163963000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":27462000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":74933000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":74933000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":47471000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":47471000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":119426000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":119426000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":44493000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":44493000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":199975000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":199975000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":199975000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":46415000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":46415000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":93654000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":93654000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":47239000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":47239000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":144013000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":144013000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":50359000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":50359000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":269525000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":269525000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":40368000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":40368000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":101267000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":60899000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":204151000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":102884000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":328504000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":42628000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"}]}},"AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments":{"label":"Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments","description":"The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":62219000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":62219000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-03-31","val":62219000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":7259000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":7259000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":69478000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation":{"label":"Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation","description":"Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":552000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":552000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1481000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":935000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":468000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1389000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":454000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":1820000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1820000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":541000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1279000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1279000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":738000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":738000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1801000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1801000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":522000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":522000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2292000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2292000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2292000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":592000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":592000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1287000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":1287000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":694000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":694000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":1863000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":1863000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":576000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":576000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":2761000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2761000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2761000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":701000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":701000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1395000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":1395000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":694000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":694000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":2092000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":2092000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":697000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":697000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2764000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2764000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2764000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":669000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":669000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1343000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":1343000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":674000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":674000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":2016000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":2016000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":673000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":673000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1746000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1746000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1746000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":894000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":894000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1504000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1504000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":610000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":610000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":2271000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":2271000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":767000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":767000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1681000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1681000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1681000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1681000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":904000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":904000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1823000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":1823000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":919000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":919000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2737000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":2737000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":914000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":914000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":3507000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":3507000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":3507000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":3507000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1238000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":1238000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2507000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":2507000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":1269000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":1269000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3753000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":3753000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":1247000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1247000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3966000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":3966000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":3966000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":3966000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1205000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1205000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":2400000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1195000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1195000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3053000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":3053000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":654000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":654000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3758000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3758000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3758000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":871000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":871000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2654000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":2654000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":1783000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":1783000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3815000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":3815000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1161000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":1161000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4934000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":4934000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":4934000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1389000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1389000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3025000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":3025000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":1636000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":1636000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4535000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":4535000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":1510000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1510000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5751000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":5751000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1251000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1251000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2859000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":2859000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":1607000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":1607000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":4264000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":4264000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":1407000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":1407000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5526000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1391000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2816000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":1424000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":3661000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":845000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"AllowanceForDoubtfulAccountsReceivable":{"label":"Accounts Receivable, Allowance for Credit Loss","description":"Amount of allowance for credit loss on accounts receivable.","units":{"USD":[{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":23533000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-03-31","val":23533000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-03-31","val":23533000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":30410000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-06-30","val":30410000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-06-30","val":30410000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-06-30","val":30410000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2I"},{"end":"2020-09-30","val":33017000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-09-30","val":33017000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2020Q4I"},{"end":"2021-03-31","val":35855000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-31","val":35855000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-03-31","val":35855000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-03-31","val":35855000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q1I"},{"end":"2021-06-30","val":42233000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":42233000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-06-30","val":42233000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-06-30","val":42233000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2I"},{"end":"2021-09-30","val":43065000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-09-30","val":43065000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":46969000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2022-03-31","val":46969000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q1I"},{"end":"2022-06-30","val":50876000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2022-06-30","val":50876000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2I"},{"end":"2022-09-30","val":44407000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AllowanceForDoubtfulAccountsReceivableCurrent":{"label":"Accounts Receivable, Allowance for Credit Loss, Current","description":"Amount of allowance for credit loss on accounts receivable, classified as current.","units":{"USD":[{"end":"2009-12-31","val":6268000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":6268000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6268000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":6579000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":7665000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":8071000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":8071000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":8071000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":8071000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":8071000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":7318000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":6696000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":6936000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":5337000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":5337000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":5337000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":5337000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":5337000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":5396000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":6250000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":6995000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":5924000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5924000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":5924000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":5924000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":5924000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":6953000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":6943000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7112000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":5854000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":5854000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":5854000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":5854000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":5854000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6725000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6516000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":7278000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7910000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":7910000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":7910000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":7910000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":7910000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9383000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":10182000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":10320000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10252000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":10252000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":10252000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":10252000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":10252000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":10024000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":10118000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":11352000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":12744000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":11972000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":12218000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":13765000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":13988000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":14684000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13983000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":20292000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":18842000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":18842000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":18842000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":18842000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":18842000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":20753000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":20508000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":20954000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":19829000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":23533000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":30410000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":33017000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":30582000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":35855000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":42233000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":43065000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":41763000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":46969000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":50876000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":44407000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AllowanceForDoubtfulAccountsReceivableRecoveries":{"label":"Accounts Receivable, Allowance for Credit Loss, Recovery","description":"Amount of increase in allowance for credit loss on accounts receivable, from recovery.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":243000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":562000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":562000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":319000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":319000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":688000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":688000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":126000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":126000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":909000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":230000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":230000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":358000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":358000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":128000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":128000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":772000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":772000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":414000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":414000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":592000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":79000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":998000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":919000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1324000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":326000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"AllowanceForDoubtfulAccountsReceivableWriteOffs":{"label":"Accounts Receivable, Allowance for Credit Loss, Writeoff","description":"Amount of direct write-downs of accounts receivable charged against the allowance.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":1402000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4559000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":4559000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":3157000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":3157000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":7494000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":7494000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":2935000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":2935000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":10667000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":10667000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1500000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":3228000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":3228000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":1728000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":1728000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":4892000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":4892000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":1664000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":1664000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":6582000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1370000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":3483000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":2113000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":6850000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":3367000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1100000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1100000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1500000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":1500000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4600000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1500000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":6100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":6100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":6100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1300000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1300000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":2600000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":1300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":1300000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":4000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":1400000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5400000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":5400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1500000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2900000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":2900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":1500000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":1500000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":4400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":4400000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":1500000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":1500000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1700000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":200000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":2000000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":200000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount":{"label":"Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount","description":"Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.","units":{"shares":[{"start":"2016-04-01","end":"2016-06-30","val":297061,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":156673,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-04-01","end":"2017-06-30","val":150852,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":138346,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"}]}},"AssetImpairmentCharges":{"label":"Asset Impairment Charges","description":"Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":44221000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":43966000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":91299000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":91299000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":91299000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":91299000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":99233000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":99233000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":99233000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":99233000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":99233000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":105280000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":105280000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":105280000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1296000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1296000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1296000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":1296000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":10745000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":10745000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":10745000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":1897000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":1897000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":9114000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":7217000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"AssetRetirementObligation":{"label":"Asset Retirement Obligation","description":"The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.","units":{"USD":[{"end":"2009-12-31","val":23229000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":27965000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":27965000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":29430000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":29430000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":29430000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013Q4I"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-06-30","val":194307000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":195718000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":229030000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"AssetRetirementObligationAccretionExpense":{"label":"Asset Retirement Obligation, Accretion Expense","description":"Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":481000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1398000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1398000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1872000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1872000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1530000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1530000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1612000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1612000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1675000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1675000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1937000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1937000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1937000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1955000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1955000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1955000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1909000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":9263000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":9263000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":6074000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":7129000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":8185000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":8185000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":8875000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AssetRetirementObligationLiabilitiesIncurred":{"label":"Asset Retirement Obligation, Liabilities Incurred","description":"Amount of asset retirement obligations incurred during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":242000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":460000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":460000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1438000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1438000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":743000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":743000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":664000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":664000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":802000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":802000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1098000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1098000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1098000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1008000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1008000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1008000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":297000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":297000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":175082000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":175082000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":2012000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":3266000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":6574000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":6574000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":6605000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AssetRetirementObligationLiabilitiesSettled":{"label":"Asset Retirement Obligation, Liabilities Settled","description":"Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":29000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":872000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":872000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1603000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1603000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1630000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1630000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1461000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1461000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1110000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1110000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1551000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1551000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1551000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2893000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2893000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":2893000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3402000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3402000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":14437000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":14437000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":5152000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":6195000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":9564000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":9564000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":8736000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AssetRetirementObligationRevisionOfEstimate":{"label":"Asset Retirement Obligation, Revision of Estimate","description":"Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":4273000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":479000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":479000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":8248000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":8248000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1659000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1659000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":14074000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":14074000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":-12500000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-11900000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":21862000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":21862000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":13879000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":13879000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":-72577000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":-72432000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":-67053000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-67053000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":20194000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"AssetRetirementObligationsNoncurrent":{"label":"Asset Retirement Obligations, Noncurrent","description":"Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.","units":{"USD":[{"end":"2009-12-31","val":23229000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":23229000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":23229000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":23314000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":23419000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":27965000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":27965000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":27965000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":27965000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":27965000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":28254000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":28326000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":28594000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":29430000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":29430000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":29430000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":29430000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":29430000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":29490000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":29931000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":30322000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":39385000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39754000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":40067000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":40150000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":41687000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":41925000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":42225000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":42364000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":42502000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":42599000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":42826000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":43055000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":57943000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":58054000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":59032000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":59123000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":59427000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":59598000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":59443000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":59206000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":59497000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":59807000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":43807000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":44255000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":80163000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":81032000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":206741000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":208430000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":263950000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":264511000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":194307000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":195718000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":202092000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":203539000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":204434000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":205355000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":229030000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":229030000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":229030000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":229030000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":231113000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":233061000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":231595000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2009-12-31","val":1782008000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":1782008000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1782008000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1834349000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1926109000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":2076615000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":2076615000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":2019133000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":2061579000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2083026000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2247510000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2247510000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2260375000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2325991000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2405279000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2628271000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2654497000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2707995000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3019801000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3006538000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3043683000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3376722000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3378946000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3399508000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3480900000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3493984000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3522581000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3557116000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3747352000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3741860000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3740066000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3890080000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5509497000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5914522000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5863362000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":6028262000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6130053000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6294490000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6216954000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6308923000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6714508000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":6833109000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7024011000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7456826000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7660601000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7917948000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AssetsCurrent":{"label":"Assets, Current","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2009-12-31","val":368355000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":368355000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":368355000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":337037000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":351125000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":423837000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":423837000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":423837000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":423837000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":423837000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":348749000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":360024000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":326962000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":340609000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":340609000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":340609000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":340609000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":340609000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":294563000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":304446000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":323835000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":394837000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":394837000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":394837000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":394837000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":394837000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":441618000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":393007000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":365017000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":482898000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":482898000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":482898000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":482898000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":482898000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":551217000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":474776000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":425681000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":566697000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":566697000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":566697000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":566697000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":566697000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":580158000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":528125000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":478934000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":431274000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":431274000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":431274000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":431274000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":431274000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":396110000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":375757000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":357764000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":473313000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":436628000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":356462000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":323463000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":438993000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":413506000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2424536000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":737319000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":663192000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":663192000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":663192000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":663192000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":663192000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":520707000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":428960000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":405096000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":652508000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":652508000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":652508000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":652508000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":652508000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":462296000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":422770000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":354827000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":506828000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":506828000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":506828000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":506828000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":506828000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":488915000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":527018000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":571656000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":638962000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":638962000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":638962000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":638962000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":677356000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":708615000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":764405000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AssetsNoncurrent":{"label":"Assets, Noncurrent","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":326925000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":326925000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":326925000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":369280000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":402645000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":436409000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":436409000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":436409000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":436409000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":436409000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":416978000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":408412000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":428825000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":497358000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":497358000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":497358000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":497358000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":497358000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":500443000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":519614000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":528516000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":557316000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":557316000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":557316000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":557316000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":557316000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":485006000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":485345000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":485230000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":452755000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":452755000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":452755000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":452755000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":452755000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":458546000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":458998000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":477269000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":505901000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":505901000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":505901000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":505901000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":505901000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":487481000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":492600000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":498055000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":520970000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":512003000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":512003000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":512003000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":512003000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":546601000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":556429000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":568428000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":590918000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":607811000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":625776000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":658642000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":631692000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":661108000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":640527000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1562251000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1562100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1562100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1562100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1562100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1529643000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1556842000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1595598000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment":{"label":"Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment","description":"Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets.","units":{"USD":[{"end":"2018-12-31","val":1562100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1530205000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1530205000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1530205000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1530205000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1530205000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1567595000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1517635000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1543365000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1604038000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1604038000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1604038000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1604038000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1604038000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1586145000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1639852000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1674703000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1718156000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1718156000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1718156000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1718156000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1722476000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1765834000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1748910000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"AssetsOfDisposalGroupIncludingDiscontinuedOperation":{"label":"Disposal Group, Including Discontinued Operation, Assets","description":"Amount classified as assets attributable to disposal group held for sale or disposed of.","units":{"USD":[{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent":{"label":"Disposal Group, Including Discontinued Operation, Assets, Current","description":"Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-06-30","val":329622000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":329622000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":59588000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":59588000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":59588000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":59588000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":59588000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":37532000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":28696000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":27830000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":143440000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":143440000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":143440000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":143440000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":143440000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":39829000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":40044000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":19997000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"AvailableForSaleSecuritiesDebtSecurities":{"label":"Debt Securities, Available-for-sale","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2017-12-31","val":36000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":41000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":41000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":41000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":41000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":41000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":41000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":41000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":41000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":40000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":40000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":40000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":40000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":40000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":40000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":40000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":40000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":32000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":32000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":32000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":32000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":32000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":32000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":32000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":32000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":37000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":37000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":37000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":37000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":37000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":37000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":37000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"BusinessAcquisitionProFormaEarningsPerShareBasic":{"label":"Business Acquisition, Pro Forma Earnings Per Share, Basic","description":"The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.","units":{"USD/shares":[{"start":"2017-01-01","end":"2017-09-30","val":-0.39,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.54,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-0.11,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0.46,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.29,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0.89,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount":{"label":"Business Acquisition, Goodwill, Expected Tax Deductible Amount","description":"The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.","units":{"USD":[{"end":"2018-07-01","val":756200000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":677600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":731000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":700300000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":700300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":599700000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"},{"end":"2019-03-31","val":677600000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":599700000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":599700000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"BusinessAcquisitionsProFormaNetIncomeLoss":{"label":"Business Acquisition, Pro Forma Net Income (Loss)","description":"The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":-33008000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-46393000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-9824000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":38307000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-25116000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":74770000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"BusinessAcquisitionsProFormaRevenue":{"label":"Business Acquisition, Pro Forma Revenue","description":"The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":1106409000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":258021000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1555124000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":1240240000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":302480000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1829823000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":46500000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":34100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":47100000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":19800000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":49400000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":49400000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual":{"label":"Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual","description":"This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.","units":{"USD":[{"start":"2018-07-01","end":"2018-09-30","val":-18200000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-5200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-5200000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-31300000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":27400000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-3900000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":17400000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-10000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":34800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual":{"label":"Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual","description":"This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.","units":{"USD":[{"start":"2018-07-01","end":"2018-09-30","val":29900000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":128900000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":128900000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":143500000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":189300000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":45800000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":220900000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":31500000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":333100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets","description":"Amount of assets acquired at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":2034424000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":2029653000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":2029653000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":2130448000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":2130448000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":2130448000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables","description":"Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":39023000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":45875000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":45875000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":45875000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":45875000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":45875000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable","description":"Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":13173000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":13089000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":13089000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":13089000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":13089000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":13089000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other","description":"Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":9241000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":9185000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":9185000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":9185000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":9185000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":9185000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets":{"label":"Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets","description":"Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":21024000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":21024000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":39470000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":39470000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":39470000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities","description":"Amount of liabilities assumed at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":294049000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":289368000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":289368000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":405763000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":405763000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":405763000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net","description":"Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.","units":{"USD":[{"end":"2018-07-01","val":1740375000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":1740285000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":1740285000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":1724685000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":1724685000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":1724685000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other","description":"Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":1310000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":1107000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":1107000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":1107000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":1107000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":1107000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment","description":"The amount of property, plant, and equipment recognized as of the acquisition date.","units":{"USD":[{"end":"2018-07-01","val":1089071000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":1089342000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":1089342000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":1202435000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":1202435000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":1202435000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2I"}]}},"BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain":{"label":"Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain","description":"In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1971000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1971000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CapitalExpendituresIncurredButNotYetPaid":{"label":"Capital Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for purchases of fixed assets that have occurred.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7877000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":19934000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":19934000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":15404000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":15404000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":15404000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":20457000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":20457000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":20457000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":34086000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":34086000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":34086000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":44874000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":44874000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":44874000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":36491000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":36491000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":36491000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":51433000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":51433000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":51433000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":51433000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":39130000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":39130000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":39130000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":39130000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":32253000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":32253000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":32253000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":32253000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":44184000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":44184000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":44184000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":54321000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":54321000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":54321000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":37616000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":37616000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":36389000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CapitalizationLongtermDebtAndEquity":{"label":"Capitalization, Long-term Debt and Equity","description":"This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.","units":{"USD":[{"end":"2009-12-31","val":857357000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":857357000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":857357000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":925939000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":841218000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":910097000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":910097000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":910097000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":910097000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":910097000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1011481000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1032670000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1019686000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1048327000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":1048327000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":1048327000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":1048327000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":1048327000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1094192000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1214150000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1262196000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1337614000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1337614000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":1337614000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":1337614000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":1337614000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1379191000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1371993000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1337877000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1507400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1507400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":1507400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":1507400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":1507400000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1575442000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1677294000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1799374000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1791923000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":1791923000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1791923000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1791923000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":1791923000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1830976000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1829468000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1884219000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2043933000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":2034966000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2034966000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":2034966000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":2034966000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2140410000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2108636000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2076083000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2097245000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2387196000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2345929000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2401669000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":2315408000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2256246000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2707519000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2515832000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3373885000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3373885000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":3373885000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":3373885000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":3373885000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3632457000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3275023000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3439567000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3493871000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":3493871000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":3493871000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":3493871000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3493871000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3564429000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4232707000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4163585000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4443276000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":4443276000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":4443276000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":4443276000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":4443276000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4806636000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5072177000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5031913000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5188450000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":5188450000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":5188450000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":5188450000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5380499000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5315334000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5630537000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2007-12-31","val":11678000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2007Q4I"},{"end":"2008-12-31","val":5775000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2008-12-31","val":5775000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2008-12-31","val":5775000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2008-12-31","val":5775000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2008Q4I"},{"end":"2009-06-30","val":5998000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2I"},{"end":"2009-09-30","val":3230000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3I"},{"end":"2009-12-31","val":3823000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":3823000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":3823000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2009-12-31","val":3823000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2009-12-31","val":3823000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2009-12-31","val":3823000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2009-12-31","val":3823000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2009-12-31","val":3823000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2009Q4I"},{"end":"2010-03-31","val":4493000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1I"},{"end":"2010-06-30","val":4165000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":4165000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2I"},{"end":"2010-09-30","val":2185000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2010-09-30","val":2185000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2363000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":2363000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":2363000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":2363000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":2363000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":2363000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2010-12-31","val":2363000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2010-12-31","val":2363000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2010-12-31","val":2363000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":2363000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":3308000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2011-03-31","val":3308000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1I"},{"end":"2011-06-30","val":822000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2011-06-30","val":822000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2611000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2011-09-30","val":2611000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":7538000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":7538000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2011-12-31","val":7538000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2011Q4I"},{"end":"2012-03-31","val":3547000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2012-03-31","val":3547000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1633000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-06-30","val":1633000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4174000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2012-09-30","val":4174000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3I"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2012-12-31","val":4638000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1342000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2013-03-31","val":1342000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2260000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2013-06-30","val":2260000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4394000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2013-09-30","val":4394000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2013-12-31","val":3818000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8171000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2014-03-31","val":8171000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1I"},{"end":"2014-06-30","val":7397000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2014-06-30","val":7397000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3783000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2014-09-30","val":3783000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2014-12-31","val":4171000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7214000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-03-31","val":7214000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3210000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-06-30","val":3210000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2058000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-09-30","val":2058000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3877000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3877000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3877000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":3877000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":3877000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4250000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4160000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6941000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":18282000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15048000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10122000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":13681000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":7819000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6312000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":22420000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3314000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":30030000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":30030000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":30030000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":30030000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":30030000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10360000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12193000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4602000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6417000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":6417000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":6417000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":6417000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":6417000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":10339000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7267000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10103000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":34045000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":34045000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":34045000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":34045000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":34045000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":30386000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":87899000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":25415000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":28754000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":28754000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":28754000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":28754000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":32522000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":53472000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":52763000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-5903000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":223000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":-2545000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":-1952000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":-1952000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-03-31","val":670000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":342000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-06-30","val":342000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-09-30","val":-1638000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-1638000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":-1460000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-1460000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-1460000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":945000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":945000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-06-30","val":-1541000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-1541000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":248000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":248000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":5175000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5175000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":5175000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":-3991000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-3991000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-5905000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-5905000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":-3364000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":-3364000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":-2900000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-2900000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-2900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-3296000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-3296000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":-2378000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":-2378000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-244000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":-244000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":-820000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":-820000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-820000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-03-31","val":4353000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":4353000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":3579000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-06-30","val":3579000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":-35000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":-35000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":353000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":353000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":353000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-03-31","val":3043000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-03-31","val":3043000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-06-30","val":-961000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-06-30","val":-961000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":-2113000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-09-30","val":-2113000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":-294000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":-294000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2016-01-01","end":"2016-03-31","val":373000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":283000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":3064000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":14405000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2014-12-31","val":69622000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2014-12-31","val":69622000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":52635000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2015-12-31","val":52635000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2015-12-31","val":52635000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":52635000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2015-12-31","val":52635000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-06-30","val":42337000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2I"},{"end":"2016-09-30","val":50740000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3I"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":31910000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":17913000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1I"},{"end":"2017-06-30","val":11964000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2017-06-30","val":11964000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2I"},{"end":"2017-09-30","val":19326000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2017-09-30","val":19326000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3I"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2017-12-31","val":39695000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2017Q4I"},{"end":"2018-03-31","val":23025000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2018-03-31","val":23025000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1773464000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2018-06-30","val":1773464000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":13316000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-09-30","val":13316000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2018-12-31","val":31679000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2018Q4I"},{"end":"2019-03-31","val":18009000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-03-31","val":18009000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31212000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":31212000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2I"},{"end":"2019-09-30","val":20873000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-09-30","val":20873000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2019-12-31","val":28381000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":32033000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2020-03-31","val":32033000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":18669000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-06-30","val":18669000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10302000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-09-30","val":10302000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2020-12-31","val":41831000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2020Q4I"},{"end":"2021-03-31","val":31868000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-31","val":31868000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1I"},{"end":"2021-06-30","val":87933000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":87933000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2I"},{"end":"2021-09-30","val":25449000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-09-30","val":25449000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3I"},{"end":"2021-12-31","val":29440000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":29440000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":29440000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":29440000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":32606000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":55713000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":53538000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect","description":"Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":-16987000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-16987000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-20725000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-20725000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":7785000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":7785000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2016-01-01","end":"2016-06-30","val":-10298000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-1895000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-20725000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-13997000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-19946000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-19946000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":-12584000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-12584000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":7785000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":7785000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-16670000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-16670000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1733769000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":1733769000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-26379000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-26379000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-8016000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-8016000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-8016000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-13670000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-13670000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-467000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-467000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":-10806000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-10806000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-3298000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-3298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-3298000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3652000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":3652000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-9712000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-9712000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":-18079000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-18079000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":13450000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":13450000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-9963000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":-9963000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":46102000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":46102000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":-16382000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-16382000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":-12391000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":3166000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":26273000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":24098000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Operating Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-1277000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":493000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":493000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-1187000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-1187000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-1187000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-961000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-961000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-961000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-819000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-819000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-819000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-975000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-975000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-975000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-355000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-355000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-355000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-1033000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-1033000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-1033000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-1033000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-44000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-44000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-44000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-44000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-4000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-4000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-4000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-4000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":7000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":7000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":7000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":3000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":3000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":2000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CommonStockDividendsPerShareCashPaid":{"label":"Common Stock, Dividends, Per Share, Cash Paid","description":"Aggregate dividends paid during the period for each share of common stock outstanding.","units":{"USD/shares":[{"start":"2018-01-01","end":"2018-03-31","val":0.28,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.56,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0.28,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0.84,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0.28,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.58,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0.29,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.87,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0.29,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":0.3,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"}]}},"CommonStockDividendsPerShareDeclared":{"label":"Common Stock, Dividends, Per Share, Declared","description":"Aggregate dividends declared during the period for each share of common stock outstanding.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":1.11,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0.595,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":0.298,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0.893,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":0.298,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.22,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1.22,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":0.33,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0.99,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":0.99,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.66,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0.66,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0.99,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":0.99,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":1.36,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":1.36,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1.36,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0.365,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":0.365,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.73,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":0.73,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.365,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.365,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.095,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1.095,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.365,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.365,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":1.5,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1.5,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1.5,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0.403,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":0.403,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.806,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":0.806,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.403,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0.403,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":1.209,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":1.21,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.403,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.4,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.65,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1.65,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1.65,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0.443,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":0.44,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.886,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0.89,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.443,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.44,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0.44,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0.44,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1.801,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1.8,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.9,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.47,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0.24,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.94,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.47,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.47,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0.24,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.41,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.71,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0.47,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0.24,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1.92,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.96,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0.96,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.25,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.25,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.5,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.5,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.25,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0.25,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.75,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.75,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0.25,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0.25,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.02,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1.02,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1.02,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1.02,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.26,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.26,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.52,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.52,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0.26,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":0.26,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.78,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.78,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.26,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.26,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1.07,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1.07,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1.07,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1.07,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0.27,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.27,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.54,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.54,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0.27,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0.27,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0.81,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0.81,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0.27,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0.27,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1.099,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1.099,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1.1,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1.1,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.28,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0.28,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":0.28,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.56,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.28,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0.28,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0.28,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0.84,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0.28,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0.28,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1.13,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1.13,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1.13,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.29,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.29,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0.29,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":0.29,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0.29,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":0.29,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0.29,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1.16,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1.16,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":1.16,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.3,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0.3,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-03-31","val":0.3,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":0.295,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0.295,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-03-31","val":0.3,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":0.3,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0.3,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-04-01","end":"2020-06-30","val":0.295,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0.3,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0.3,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0.3,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.19,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1.19,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-03-31","val":0.303,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":0.303,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":0.303,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-04-01","end":"2021-06-30","val":0.303,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0.303,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":0.303,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":0.303,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1.22,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0.31,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2022-01-01","end":"2022-03-31","val":0.31,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-03-31","val":0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":0.31,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2009-12-31","val":1.25,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2009-12-31","val":1.25,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":1.25,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":1.25,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":1.25,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1.25,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1.25,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":1.25,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1.25,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1.25,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1.25,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1.25,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1.25,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1.25,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1.25,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1.25,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1.25,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1.25,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1.25,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1.25,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1.25,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1.25,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":1.25,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1.25,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1.25,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1.25,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1.25,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":1.25,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1.25,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-05-31","val":1.25,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-06-30","val":1.25,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1.25,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1.25,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1.25,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1.25,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1.25,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1.25,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1.25,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1.25,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1.25,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1.25,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1.25,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1.25,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1.25,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1.25,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1.25,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1.25,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1.25,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1.25,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1.25,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1.25,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1.25,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1.25,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1.25,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1.25,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1.25,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1.25,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1.25,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1.25,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1.25,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1.25,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1.25,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1.25,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2009-12-31","val":60000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-12-31","val":60000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":60000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":60000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":60000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":60000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":60000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":60000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":60000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":60000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":120000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-02-25","val":60000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-02-26","val":120000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1I"},{"end":"2015-12-31","val":120000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":120000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":120000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":120000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":120000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":120000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":120000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":120000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":120000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":120000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":120000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":120000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":120000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-09-30","val":120000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-10-16","val":220000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-10-16","val":220000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2020-12-31","val":220000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":220000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":220000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2008-12-31","val":29728697,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2008Q4I"},{"end":"2009-12-31","val":29796232,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2009-12-31","val":29796232,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2009-12-31","val":29796232,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":29872825,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":29872825,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":29872825,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":29872825,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":29872825,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2010Q4I"},{"end":"2011-06-01","val":29872825,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2011-06-30","val":29954356,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":30059840,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":30212453,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":30212453,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":30212453,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":30212453,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":30212453,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":30212453,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2011-12-31","val":30212453,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2011Q4I"},{"end":"2012-03-31","val":30309909,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":30441425,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":31082794,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":31653262,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2012-12-31","val":63306524,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2012Q4I"},{"end":"2013-03-31","val":31869171,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":31963110,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":31987835,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":32715042,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":32715042,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":32715042,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":32715042,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":32715042,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":65430084,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2013-12-31","val":65430084,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":32822314,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":33040174,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":33242702,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":34167430,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2014-12-31","val":68334860,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2014-12-31","val":70965622,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2014Q4I"},{"end":"2015-03-31","val":68423948,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":68478082,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":68727460,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":70965622,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-03-31","val":71238167,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":79477822,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":79477822,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":79478055,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":79547998,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":79549014,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":79549080,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2017-12-31","val":79549080,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2017Q4I"},{"end":"2018-03-31","val":79612889,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":85505986,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":85506218,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2018-12-31","val":85506218,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2018Q4I"},{"end":"2019-03-31","val":92388676,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":92390349,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":92392876,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":92394155,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":92443925,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":100586050,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":100587912,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":100591940,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":100591940,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":100591940,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":100591940,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":100591940,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":102571850,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":112445978,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":112448495,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":117340493,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":117340493,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":117340493,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":117340493,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":122407427,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":122464793,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":122464793,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2008-12-31","val":37161000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008Q4I"},{"end":"2009-12-31","val":37245000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":37245000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":37245000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2009-12-31","val":37245000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":37341000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":37341000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":37341000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":37341000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":37341000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":37341000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":37341000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":37341000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":37441000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":37443000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":37575000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":37765000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":37765000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":37765000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":37765000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":37765000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":37765000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":37887000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":38052000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":38856000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":39567000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39836000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":39954000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":39985000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":40894000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":40894000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":40894000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":40894000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":40894000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":81788000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013Q4I"},{"end":"2014-03-31","val":41028000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":41300000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":41553000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":42709000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":85418000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":85418000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":85418000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":85418000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":85418000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":85530000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":85598000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":85909000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":88707000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-03-31","val":89048000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":99347000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":99347000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":99347000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":99435000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":99436000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":99436000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":99436000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":99516000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":106882000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":106883000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":106883000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":106883000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":106883000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":106883000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":106883000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":115486000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":115488000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":115491000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":115493000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":115493000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":115493000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":115493000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":115493000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":115555000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":125733000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":125735000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":125740000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":125740000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":125740000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":125740000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":125740000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":128215000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":140557000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":140561000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":146675000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":146675000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":146675000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":146675000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":153009000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":153081000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":153081000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":63047000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":40052000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":6923000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":37583000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-2469000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":62835000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":62835000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":31761000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":39456000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":39456000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":7695000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":7695000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":40626000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":40626000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1170000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1170000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":64309000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":64309000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":50322000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":50322000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":56648000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":56648000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":6326000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":6326000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":50884000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":50884000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5764000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5764000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":82665000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":52334000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":52334000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":62437000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":62437000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10103000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":10103000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":65086000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":65086000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":2649000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":2649000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-03-31","val":47672000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":47672000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":48625000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":48625000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":953000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":953000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":47466000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":47466000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-1159000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-1159000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2014-01-01","end":"2014-03-31","val":48008000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":48008000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":57767000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":57767000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":9759000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":9759000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":52887000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":52887000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-4880000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-4880000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":53578000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":53578000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":66951000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":66951000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":13373000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":13373000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":54107000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-12844000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":68169000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":63446000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-4723000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-12-31","val":115928000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-12874000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-12874000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":28333000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":28333000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":28333000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":37458000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-34796000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":70454000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":70454000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":70454000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":101049000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":98418000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2631000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88025000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":88025000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-10393000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-10393000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":151384000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":151426000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":128606000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":128606000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":31786000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":31786000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96820000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-96820000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":5665000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":5665000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-26121000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-26121000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":99578000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":129218000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":110320000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18898000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":72321000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-37999000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-227000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":24000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-42000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-145000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-169000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-231000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-231000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-42000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-42000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":129000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":129000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":217000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":217000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":88000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":88000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":390000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":390000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":173000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":173000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":474000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":135000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":211000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":76000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":354000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":143000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest":{"label":"Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":62820000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":40076000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":6881000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":37438000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-2638000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":62604000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":62604000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":39456000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":7695000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":40626000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1170000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":64309000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":64309000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":64309000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":82665000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":82665000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":82665000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":88941000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":88941000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":88941000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":91938000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":91938000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":91938000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":87548000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":87548000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":87548000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":54107000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-12844000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":110866000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":110866000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":68169000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":63446000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-4723000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":73284000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":73284000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":9838000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":9838000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":115928000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":39232000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":39232000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":31580000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":31580000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-7652000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-7652000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-6006000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-6006000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-37586000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-37586000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":111249000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":111249000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17438000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":17438000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93811000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93811000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-28239000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-28239000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45677000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45677000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":28333000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":85645000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":85645000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":72254000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":72254000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13391000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-13391000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37458000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-34796000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":70454000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":70454000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":101049000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":101049000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":98418000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":98418000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2631000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-2631000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88025000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-10393000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":151426000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":151384000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":128735000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":128735000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":32003000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":32003000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96732000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-96732000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":6055000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":6055000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-25948000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-25948000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":100052000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":129353000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":110531000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18822000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":72675000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-37856000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"ConstructionLoanNoncurrent":{"label":"Long-term Construction Loan, Noncurrent","description":"This element represents the noncurrent portion of a long-term real estate loan to finance building costs. The funds are disbursed as needed or in accordance with a prearranged plan; generally, a portion of the funds is disbursed at inception and the remainder as construction progresses. The money is repaid on completion of the project (generally one to seven years), usually from the proceeds of a mortgage loan. The rate is normally higher than the prime rate, and there is usually an origination fee. The effective yield on these loans tends to be high, and the lender has a security interest in the real property.","units":{"USD":[{"end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2010-12-31","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":0,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2011-03-31","val":19920000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":23425000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":23482000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":22549000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":22549000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":22549000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":22549000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":22549000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":22323000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":22094000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":21893000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":21646000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":21646000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":21646000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":21646000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":21646000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":21388000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":21150000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":20893000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":20656000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":20656000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":20656000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":20656000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":20656000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-03-31","val":20420000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":20163000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":19916000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":19659000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":19659000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":19659000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":19659000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":19659000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-03-31","val":19420000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":19170000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":18912000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"ContractWithCustomerAssetNet":{"label":"Contract with Customer, Asset, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.","units":{"USD":[{"end":"2017-12-31","val":73377000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":79538000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"ContractWithCustomerLiabilityCurrent":{"label":"Contract with Customer, Liability, Current","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.","units":{"USD":[{"end":"2017-12-31","val":259000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-09-30","val":407000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1772000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1772000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1772000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1772000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1772000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1772000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":186000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":347000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":321000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":479000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":479000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":479000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":479000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":479000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":514000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":653000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":764000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":753000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":753000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":753000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":753000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":532000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":356000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":526000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization":{"label":"Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization","description":"Cost of product sold and service rendered, excluding depreciation, depletion, and amortization.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":71951000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":134004000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":62053000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":197311000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":63307000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-03-31","val":70103000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":132984000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":62881000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":194182000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":61198000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"}]}},"CostOfGoodsAndServicesEnergyCommoditiesAndServices":{"label":"Cost of Goods and Services, Energy Commodities and Services (Deprecated 2018-01-31)","description":"Total costs incurred and are directly related to energy commodities and services provided during the reporting period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":303648000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":191694000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":76666000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":287974000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":96279000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":395015000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":395015000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":133580000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":214896000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":214896000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":81316000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":81316000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":294309000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":294309000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":79413000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":79413000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":363834000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":363834000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":363834000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":70603000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":70603000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":119836000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":119836000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":49233000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":49233000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":169584000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":169584000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":49748000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":49748000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":230147000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":230147000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":230147000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":75145000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":75145000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":137361000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":137361000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":62216000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":62216000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":202176000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":202176000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":64815000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":64815000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":270470000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":270470000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":270470000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":125061000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":125061000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":179385000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":179385000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":54324000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":54324000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":232253000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":232253000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":52868000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":52868000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":306859000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":306859000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":306859000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":96733000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":96733000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":162777000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":162777000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":66044000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":66044000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":240093000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":240093000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":77316000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":77316000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":319579000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":319579000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":319579000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":319579000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":87769000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":87769000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":166601000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":166601000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":78832000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":78832000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":284236000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":284236000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":117635000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":117635000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":413833000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":413833000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":413833000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":215763000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":215763000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":363117000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":363117000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":147354000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":147354000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":503715000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":131927000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":140598000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":28217000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":646567000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":646567000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":195951000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":323566000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":127615000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":128536000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":23238000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"}]}},"CostOfGoodsAndServicesSold":{"label":"Cost of Goods and Services Sold","description":"The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":503715000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":140598000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":283068000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":145796000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":533440000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":209874000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":233112000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-10-01","end":"2018-12-31","val":393432000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":402387000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":402387000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":165341000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":165341000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":190366000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":190366000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-10-01","end":"2019-12-31","val":273873000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":273873000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":266068000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":147653000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":176029000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q3"},{"start":"2020-10-01","end":"2020-12-31","val":269185000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"}]}},"CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization":{"label":"Cost of Goods Sold, Excluding Depreciation, Depletion, and Amortization (Deprecated 2019-01-31)","description":"The aggregate cost of goods produced and sold during the reporting period, excluding depreciation, depletion, and amortization.","units":{"USD":[{"start":"2017-01-01","end":"2017-03-31","val":287143000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":179684000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":168815000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-10-01","end":"2017-12-31","val":210585000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":283068000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":145796000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":233112000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-10-01","end":"2018-12-31","val":393432000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4"}]}},"CostOfRevenue":{"label":"Cost of Revenue","description":"The aggregate cost of goods produced and sold and services rendered during the reporting period.","units":{"USD":[{"start":"2010-01-01","end":"2010-03-31","val":231244000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-04-01","end":"2010-06-30","val":100447000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-07-01","end":"2010-09-30","val":124813000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-10-01","end":"2010-12-31","val":198319000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":216220000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":216220000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-04-01","end":"2011-06-30","val":109358000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":109358000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-07-01","end":"2011-09-30","val":106655000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":106655000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-10-01","end":"2011-12-31","val":112759000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":112759000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":156868000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":156868000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-04-01","end":"2012-06-30","val":69519000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":69519000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-07-01","end":"2012-09-30","val":70549000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":70549000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-10-01","end":"2012-12-31","val":120866000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":120866000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":152301000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":152301000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-04-01","end":"2013-06-30","val":87827000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":87827000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-07-01","end":"2013-09-30","val":89160000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":89160000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-10-01","end":"2013-12-31","val":139703000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":139703000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":228138000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":228138000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-04-01","end":"2014-06-30","val":78947000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":78947000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-07-01","end":"2014-09-30","val":76073000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":76073000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-10-01","end":"2014-12-31","val":153794000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":153794000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":241707000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":241707000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":90945000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":90945000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":99124000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":99124000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-10-01","end":"2015-12-31","val":127566000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":127566000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":152975000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":152975000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":152975000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":98340000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":98340000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":98340000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":142988000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":142988000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":142988000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-10-01","end":"2016-12-31","val":186684000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":186684000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":186684000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":287143000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":287143000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":179684000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":179684000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":168815000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":168815000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q3"},{"start":"2017-10-01","end":"2017-12-31","val":210585000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":210585000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4"}]}},"CostOfServicesEnergyServices":{"label":"Cost of Services, Energy Services (Deprecated 2018-01-31)","description":"Cost incurred in providing energy services during the reporting period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":375549000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":192499000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":29526000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":223876000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":31377000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":289740000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":289740000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":116216000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":139997000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":139997000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":23781000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":23781000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":168531000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":168531000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":28534000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":28534000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":259808000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":259808000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":259808000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":82640000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":82640000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":110682000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":110682000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":28042000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":28042000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":137924000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":137924000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":27242000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":27242000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":181158000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":181158000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":181158000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":86265000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":86265000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":106551000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":106551000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":20286000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":20286000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":127352000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":127352000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":20801000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":20801000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":187655000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":187655000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":187655000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":77156000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":77156000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":102766000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":102766000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":25611000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":25611000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":127111000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":127111000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":24345000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":24345000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":198521000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":198521000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":198521000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":103077000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":103077000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":127700000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":127700000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":24623000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":24623000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":150905000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":150905000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":23205000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":23205000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":230093000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":230093000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":230093000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":144974000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":144974000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":169875000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":169875000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":24901000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":24901000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":191683000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":191683000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":21808000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":21808000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":239763000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":239763000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":239763000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":239763000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":65206000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":65206000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":84714000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":84714000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":19508000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":19508000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":110067000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":110067000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":25353000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":25353000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":167154000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":167154000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":167154000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":71379000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":71379000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":103710000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":103710000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":32331000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":32331000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":131927000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":28217000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":199660000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":199660000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":87117000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":105298000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":18181000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"}]}},"CostsAndExpenses":{"label":"Costs and Expenses","description":"Total costs of sales and operating expenses for the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":808468000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":427114000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":123711000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":554116000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":127002000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":734334000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":734334000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":270654000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":406884000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":406884000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":136230000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":136230000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":567013000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":567013000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":160130000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":160130000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":808575000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":808575000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":808575000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":258875000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":258875000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":406913000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":406913000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":148038000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":148038000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":551680000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":551680000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":144767000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":144767000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":706953000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":706953000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":706953000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":201324000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":201324000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":312980000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":312980000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":111656000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":111656000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":425012000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":425012000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":112032000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":112032000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":596382000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":596382000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":596382000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":203652000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":203652000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":336836000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":336836000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":133185000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":133185000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":470850000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":470850000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":134014000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":134014000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":661785000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":661785000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":661785000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":287691000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":287691000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":417207000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":417207000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":129516000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":129516000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":543747000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":543747000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":126540000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":126540000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":759393000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":759393000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":759393000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":306581000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":306581000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":453951000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":453951000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":147370000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":147370000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":610067000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":610067000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":156115000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":156115000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":802674000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":802674000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":802674000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":802674000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":218782000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":218782000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":381170000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":381170000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":162388000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":162388000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":587662000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":587662000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":206492000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":206492000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":847224000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":847224000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":847224000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":842323000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":358143000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":356965000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":607081000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":604725000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":248938000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":247760000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":889463000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":885928000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":282382000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":281204000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1238658000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1238658000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1234225000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1234225000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":364075000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":364075000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":699937000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":699937000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":335862000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":335862000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1041009000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1041009000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":341072000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":341072000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1540593000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1540593000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1540593000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":502745000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":502745000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":760813000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":760813000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":258068000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":258068000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1040087000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1040087000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":280228000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":280228000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1427421000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1427421000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":1427421000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":368350000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":368350000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":608123000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":608123000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":239773000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":239773000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":878166000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":878166000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":270043000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":270043000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1259161000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1259161000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":477472000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":477472000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":777691000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":777691000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":300219000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":300219000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1152295000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":1152295000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":374604000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":374604000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1642876000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":625978000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1149555000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":523577000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1753890000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":604335000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption":{"label":"Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31)","description":"Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.","units":{"USD":[{"end":"2017-12-31","val":552000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":552000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"}]}},"CurrentFederalTaxExpenseBenefit":{"label":"Current Federal Tax Expense (Benefit)","description":"Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":7396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-7527000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-7527000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-844000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-844000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-844000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-8761000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-8761000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-8761000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-273000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-273000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-273000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-62000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-62000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-62000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-34971000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-34971000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-34971000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-34971000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-13790000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-13790000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-13790000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CurrentIncomeTaxExpenseBenefit":{"label":"Current Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":12699000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":226000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":226000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-499000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-499000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-499000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-8540000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-8540000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-8540000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2793000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2793000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2793000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2990000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":2990000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":2990000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-35019000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-35019000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-35019000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-35019000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-9831000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-9831000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-9831000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":823000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":823000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-235000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CurrentStateAndLocalTaxExpenseBenefit":{"label":"Current State and Local Tax Expense (Benefit)","description":"Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":5303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":7753000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":7753000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":345000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":345000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":345000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":221000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":221000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":221000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3066000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":3066000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":3066000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3052000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":3052000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":3052000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-2352000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-48000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-48000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-48000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-48000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3959000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3959000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3959000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-482000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":823000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":823000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-235000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"CustomerAdvancesAndDepositsCurrent":{"label":"Customer Advances and Deposits, Current","description":"The current portion of aggregate prepayments received from customers for goods or services to be provided in the future, as well as the current portion of money or property received from customers that are to be returned upon satisfactory contract completion or as partial prepayment for goods or services to be provided in the future.","units":{"USD":[{"end":"2009-12-31","val":14128000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":14128000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":14128000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":17897000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":22031000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":10917000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":10917000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":10917000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":10917000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":10917000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":10530000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":18834000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":23507000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":24914000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":24914000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":24914000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":24914000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":24914000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":18371000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":20457000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":25248000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":17757000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":17757000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":17757000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":17757000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":17757000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":16005000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17240000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":20992000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":15546000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":15546000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":15546000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":15546000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":15546000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15112000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":17434000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":20646000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":17958000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":17958000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":17958000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":17958000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":17958000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":16052000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":19191000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":20886000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":20146000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":20146000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":20146000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":20146000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":20146000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":19340000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":23022000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":43497000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":48068000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":38366000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":48792000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":58098000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":43398000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":43398000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":43398000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":43398000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":43398000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29356000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":28913000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-12-31","val":32058000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"CustomerRefundLiabilityCurrent":{"label":"Customer Refund Liability, Current","description":"Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.","units":{"USD":[{"end":"2018-09-30","val":15300000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"}]}},"DebtInstrumentFaceAmount":{"label":"Debt Instrument, Face Amount","description":"Face (par) amount of debt instrument at time of issuance.","units":{"USD":[{"end":"2021-06-30","val":250000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q2I"},{"end":"2021-06-30","val":250000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"}]}},"DebtInstrumentInterestRateStatedPercentage":{"label":"Debt Instrument, Interest Rate, Stated Percentage","description":"Contractual interest rate for funds borrowed, under the debt agreement.","units":{"pure":[{"end":"2011-06-30","val":0.075,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0.075,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2012-03-31","val":0.075,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0.075,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0.075,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2013-03-31","val":0.075,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0.075,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0.075,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2014-03-31","val":0.075,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0.075,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0.075,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2015-03-31","val":0.075,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0.075,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0.075,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2016-03-31","val":0.075,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.075,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.075,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2017-03-31","val":0.075,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.075,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.075,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-03-31","val":0.075,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.075,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.075,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.075,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.075,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.075,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.075,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.075,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":0.075,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":0.075,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.075,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-12-31","val":0.075,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":0.075,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0.075,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DebtInstrumentRepurchaseAmount":{"label":"Debt Instrument, Repurchase Amount","description":"Fair value amount of debt instrument that was repurchased.","units":{"USD":[{"end":"2016-08-31","val":8300000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"}]}},"DebtInstrumentUnamortizedDiscount":{"label":"Debt Instrument, Unamortized Discount","description":"Amount, after accumulated amortization, of debt discount.","units":{"USD":[{"end":"2019-09-30","val":5300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":5300000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":5300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":5313000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":5300000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5300000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5246000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5200000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":5224000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":5224000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":5224000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":5200000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5202000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5179000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5157000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredFederalIncomeTaxExpenseBenefit":{"label":"Deferred Federal Income Tax Expense (Benefit)","description":"Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":17867000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":27927000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":27927000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":13244000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13244000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13244000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":11515000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11515000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11515000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-19978000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-19978000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-19978000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1707000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1707000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1707000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-4622000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-4622000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-4622000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-4622000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":44246000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":44246000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":44246000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":44246000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":5761000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":5761000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":5761000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":5761000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":13564000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":13564000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":13564000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":11171000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":11171000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":11171000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":3312000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":3312000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":31209000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DeferredFinanceCostsNet":{"label":"Debt Issuance Costs, Net","description":"Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.","units":{"USD":[{"end":"2015-12-31","val":9000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":9000000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":9000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":9000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":8400000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7800000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":7600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":9300000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":8500000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":9900000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":17400000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":15600000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":24100000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":22900000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":27000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":27000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":27000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":27000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":27000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":25900000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":25300000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":25700000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":25500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":25500000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":25500000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":25547000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":25500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":26000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":29300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":29168000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":29600000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":29574000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":29574000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":29574000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":29600000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":40104000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":40494000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":39465000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":38500000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":23014000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":21917000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":21917000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":28895000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":28895000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":28895000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":23303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":23303000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":23303000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":20306000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":20306000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":20306000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-21549000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-21549000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-21549000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1670000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1670000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1670000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":3861000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":3861000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":3861000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":3861000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":55789000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":55789000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":55789000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":55789000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":10082000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":10082000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":10082000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":10082000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":10392000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":10392000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":10392000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":21543000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":21543000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":21543000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":21841000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":21841000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":47342000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2014-12-31","val":694526000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":767849000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":767849000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":837951000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":837951000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":837951000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":577582000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":577582000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":577582000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":579428000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":579428000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":621075000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":621075000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":688673000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":688673000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":758209000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredIncomeTaxLiabilitiesNet":{"label":"Deferred Income Tax Liabilities, Net","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.","units":{"USD":[{"end":"2018-12-31","val":85836000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-09-30","val":80736000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":133452000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":134611000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":116321000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":149534000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":149534000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":149534000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":149534000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":149534000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":188800000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":181215000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":173242000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":198901000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":198901000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":198901000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":198901000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":241220000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":224421000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":215620000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"DeferredRevenueCurrent":{"label":"Deferred Revenue, Current","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.","units":{"USD":[{"end":"2009-12-31","val":6081000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":6081000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6081000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":5387000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":6164000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":5442000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":5442000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":5442000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":5442000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":5442000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":4508000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":4466000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2319000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":996000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":996000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":996000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":996000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":996000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":781000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":121000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q4I"},{"end":"2013-06-30","val":42000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2017-12-31","val":259000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":259000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":262000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":329000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"DeferredRevenueNoncurrent":{"label":"Deferred Revenue, Noncurrent","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":259000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":259000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":259000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1772000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"DeferredStateAndLocalIncomeTaxExpenseBenefit":{"label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":4050000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":968000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":968000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":10059000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":10059000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":10059000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":8791000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":8791000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":8791000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-1571000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-1571000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-1571000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-37000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-37000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-37000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":8483000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":8483000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":8483000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":8483000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":11543000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":11543000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":11543000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":11543000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":4321000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":4321000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":4321000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":4321000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-3172000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-3172000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-3172000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":10372000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":10372000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":10372000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":18529000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":18529000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":16133000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DeferredTaxAssetsDeferredIncome":{"label":"Deferred Tax Assets, Deferred Income","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.","units":{"USD":[{"end":"2014-12-31","val":11647000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4924000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":4924000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":7669000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":7669000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":7669000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5726000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5726000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":5726000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5736000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5736000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":5324000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":5324000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4530000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":4530000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5355000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsDerivativeInstruments":{"label":"Deferred Tax Assets, Derivative Instruments","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.","units":{"USD":[{"end":"2014-12-31","val":12554000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5652000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":5652000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2068000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2068000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2068000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2014-12-31","val":407754000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":471904000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":471904000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":494402000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":494402000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":494402000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":490698000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":490698000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":490698000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":493592000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":493592000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":528909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":528909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":567698000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":567698000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":599197000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsInvestments":{"label":"Deferred Tax Assets, Investments","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).","units":{"USD":[{"end":"2014-12-31","val":77000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":76426000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":76426000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":76426000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":103434000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":103434000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":103922000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":103922000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":92739000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":92739000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":88201000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsLiabilitiesNetCurrent":{"label":"Deferred Tax Assets, Net, Current","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.","units":{"USD":[{"end":"2010-12-31","val":-3282000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":12779000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":12779000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":-10812000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":-10812000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsLiabilitiesNetNoncurrent":{"label":"Deferred Tax Assets, Net, Noncurrent","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.","units":{"USD":[{"end":"2010-12-31","val":-258402000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":-295434000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":-295434000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":-289489000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":-289489000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":-319368000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":-319368000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":-344520000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2019-12-31","val":528909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":560306000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":560306000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":576713000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsNetCurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Current","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.","units":{"USD":[{"end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2010-12-31","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2011-09-30","val":4776000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":12779000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":12779000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":12779000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":12779000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":12779000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-09-30","val":21220000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":30609000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-03-31","val":23978000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":26970000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":46365000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":57748000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-03-31","val":56696000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":60052000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":67421000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwards":{"label":"Deferred Tax Assets, Operating Loss Carryforwards","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.","units":{"USD":[{"end":"2014-12-31","val":157174000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":195358000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":195358000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":211004000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":211004000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":211004000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":152541000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":152541000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":152541000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":125418000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":125418000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":122197000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":122197000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":141252000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":141252000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":179518000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsOther":{"label":"Deferred Tax Assets, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.","units":{"USD":[{"end":"2014-12-31","val":6734000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6448000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":6448000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":8368000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":8368000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":8368000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1949000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1949000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1949000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4639000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4639000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":16705000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":16705000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":17691000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":17691000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":15461000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsRegulatoryAssetsAndLiabilities":{"label":"Deferred Tax Assets, Regulatory Assets and Liabilities","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":11895000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":11895000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsStateTaxes":{"label":"Deferred Tax Assets, State Taxes","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes.","units":{"USD":[{"end":"2014-12-31","val":21548000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":24833000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":24833000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":28833000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":28833000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":28833000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":16905000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":16905000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":16905000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":16087000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":16087000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":18514000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":18514000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":24338000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":24338000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":30567000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsTaxCreditCarryforwardsResearch":{"label":"Deferred Tax Assets, Tax Credit Carryforwards, Research","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.","units":{"USD":[{"end":"2015-12-31","val":1400000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":3300000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":3200000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3200000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.","units":{"USD":[{"end":"2014-12-31","val":34892000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":29998000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":29998000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":19351000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":19351000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":19351000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":16624000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":16624000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":16624000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":16560000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":16560000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":28579000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":28579000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":34558000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":34558000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":16575000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxAssetsValuationAllowance":{"label":"Deferred Tax Assets, Valuation Allowance","description":"Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7392000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":7392000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-06-30","val":14200000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":14200000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2I"},{"end":"2021-09-30","val":14200000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":22484000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":22500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":22500000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":22500000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":22500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":22500000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":39300000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"DeferredTaxLiabilities":{"label":"Deferred Tax Liabilities, Net","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.","units":{"USD":[{"end":"2014-12-31","val":286772000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":111614000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":89450000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":92166000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":128367000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":128367000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":181496000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesCurrent":{"label":"Deferred Tax Liabilities, Net, Current","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.","units":{"USD":[{"end":"2009-12-31","val":19897000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2009-12-31","val":19897000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":19897000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":7065000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":7594000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":3282000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2010-12-31","val":3282000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":3282000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":3282000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":3282000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2011-03-31","val":4281000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1145000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":3794000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":7094000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":10812000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":10812000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":10812000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":10812000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":10812000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":8906000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":5678000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"}]}},"DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts":{"label":"Deferred Tax Liabilities, Inventory","description":"Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory.","units":{"USD":[{"end":"2014-12-31","val":22959000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":3998000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3998000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2052000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2052000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2052000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":10254000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":10254000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":10254000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":25812000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":25812000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":23728000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":23728000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":13737000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":13737000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":14102000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesDerivatives":{"label":"Deferred Tax Liabilities, Derivatives","description":"Amount of deferred tax liability attributable to taxable temporary differences from derivatives.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1794000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1794000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1794000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4463000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4463000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1098000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1098000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1215000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1215000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":2567000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill":{"label":"Deferred Tax Liabilities, Goodwill","description":"Amount of deferred tax liability attributable to taxable temporary differences from goodwill.","units":{"USD":[{"end":"2019-12-31","val":16304000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":28013000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":28013000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":41517000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates":{"label":"Deferred Tax Liabilities, Investment in Noncontrolled Affiliates","description":"Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated.","units":{"USD":[{"end":"2010-12-31","val":1817000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":28899000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2014-12-31","val":39230000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":9111000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":9111000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":3092000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":3092000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":3092000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1377000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1377000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1377000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1417000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1417000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1801000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1801000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":16019000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":16019000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":3744000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesNoncurrent":{"label":"Deferred Tax Liabilities, Net, Noncurrent","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.","units":{"USD":[{"end":"2009-12-31","val":215346000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":215346000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":215346000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":225042000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":247936000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":258402000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":258402000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":258402000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":258402000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":258402000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":274762000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":279422000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":280440000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":295434000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":295434000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":295434000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":295434000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":295434000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":290594000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":287034000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":290056000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":289489000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":289489000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":289489000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":289489000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":289489000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":300611000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":291928000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":313716000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":319368000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":319368000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":319368000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":319368000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":319368000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":321827000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":318100000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":329934000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":344520000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":344520000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":344520000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":344520000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":344520000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":356380000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":355219000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":350062000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":295945000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":333572000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":330046000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":331762000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":343549000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":365764000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":360179000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":335420000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":86884000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":123239000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":91690000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":85840000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":85836000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"DeferredTaxLiabilitiesOther":{"label":"Deferred Tax Liabilities, Other","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as other.","units":{"USD":[{"end":"2014-12-31","val":13868000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":15268000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":15268000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":14414000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":14414000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":14414000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":11037000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":11037000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":11037000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":15718000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":15718000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":24356000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":8052000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":8977000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":8977000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":8176000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2014-12-31","val":558960000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":675521000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":675521000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":732535000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":732535000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":732535000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":486854000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":486854000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":486854000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":458772000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":458772000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":479765000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":479765000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":512357000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":512357000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":586081000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities":{"label":"Deferred Tax Liabilities, Regulatory Assets and Liabilities","description":"Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets and liabilities.","units":{"USD":[{"end":"2014-12-31","val":6333000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":566000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":566000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1554000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1554000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1554000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":3554000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3554000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3554000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":14351000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":14351000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":13360000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":13360000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":19165000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"DefinedBenefitPlanContributionsByEmployer":{"label":"Defined Benefit Plan, Plan Assets, Contributions by Employer","description":"Amount of contribution received by defined benefit plan from employer which increases plan assets.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":5400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1":{"label":"Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation","description":"Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":-2721000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"}]}},"DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1":{"label":"Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components","description":"Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":-181000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"}]}},"DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation":{"label":"Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation","description":"Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":3263000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"}]}},"DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents":{"label":"Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components","description":"Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":256000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"}]}},"DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear":{"label":"Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31)","description":"The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.","units":{"pure":[{"start":"2011-01-01","end":"2011-12-31","val":0.075,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.07,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0.07,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":0.07,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"}]}},"DefinedBenefitPlanUltimateHealthCareCostTrendRate":{"label":"Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31)","description":"The ultimate trend rate for health care costs.","units":{"pure":[{"start":"2011-01-01","end":"2011-12-31","val":0.0475,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.0475,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.0475,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0.0475,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0.0475,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":0.0475,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":1300000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1300000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1600000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1600000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":2000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":2000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2100000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":2100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2100000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":2100000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2300000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":2300000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":2300000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":2300000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":2600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2600000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3300000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3300000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":3400000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":3400000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":3400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":4600000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":4600000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":4000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":29237000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":15289000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":7629000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":23169000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":7880000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":31280000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":31280000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":8242000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":16734000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":16734000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":8492000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8492000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":25585000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":25585000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":8851000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":8851000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":34018000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":34018000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":34018000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":8652000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":8652000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":17505000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":17505000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":8853000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":8853000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":26528000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":26528000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":9023000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":9023000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":35749000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":35749000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":35749000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":9604000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":9604000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":20089000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":20089000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10485000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":10485000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":30691000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":30691000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":10602000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":10602000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":41336000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":41336000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":41336000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":11407000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":11407000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":23779000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":23779000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":12372000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":12372000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":36605000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":36605000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":12826000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":12826000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":49637000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":49637000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":49637000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":14991000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":14991000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":30486000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":30486000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":15495000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":15495000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":46543000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":46543000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":16057000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":16057000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":63004000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":63004000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":63004000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":16819000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":16819000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":34249000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":34249000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":17430000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":17430000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":52671000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":52671000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":18422000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":18422000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":72451000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":72451000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":72451000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":72451000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":20701000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":20701000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":42997000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":42997000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":22296000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":22296000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":66106000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":66106000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":23109000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":23109000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":90389000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":90389000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":90389000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":90389000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":24323000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":24323000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":48879000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":48879000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":24556000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":24556000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":73793000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":73793000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":24914000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":24914000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":100718000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":100718000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":100718000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":100718000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":24662000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":24662000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":49433000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":49433000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":24771000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":24771000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":71783000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":71783000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":22350000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":22350000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":96723000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":96723000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":96723000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":23685000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":23685000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":47814000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":47814000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":24129000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":24129000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":72759000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":72759000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":24945000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":24945000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":99753000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":99753000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":99753000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":26469000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":26469000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":53900000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":53900000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":27431000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":27431000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":81877000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":81877000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":27977000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":27977000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":118715000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":118715000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":31812000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":31812000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":64843000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":64843000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":33031000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":33031000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":97924000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":97924000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":33081000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":33081000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":131778000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":33957000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":68138000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":34181000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":105065000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":36927000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"DepreciationAndAmortization":{"label":"Depreciation, Depletion and Amortization, Nonproduction","description":"The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":39447000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":21850000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":11088000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":33275000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":11425000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":44694000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":44694000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":11601000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":23420000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":23420000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":11819000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":11819000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":35385000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":35385000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":11965000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":11965000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":13275000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":13275000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":27463000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":27463000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":14188000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":14188000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":41459000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":41459000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":13996000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":13996000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":14408000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":14408000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31664000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":31664000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":17256000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":17256000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":48474000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":48474000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":16810000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":16810000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":18799000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":18799000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":38089000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":38089000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":19290000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":19290000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":57654000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":57654000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":19565000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":19565000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":21586000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":21586000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":43848000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":43848000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":22262000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":22262000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":66985000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":66985000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":23137000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":23137000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":26141000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":26141000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":53462000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":53462000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":27321000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":27321000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":81260000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":81260000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":27798000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":27798000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":29521000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":29521000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":59232000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":59232000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":29711000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":29711000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":89316000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":89316000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":30084000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":30084000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":33898000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":33898000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":70554000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":70554000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":36656000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":36656000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":101450000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":101450000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":30896000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":30896000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":31991000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":31991000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":65035000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":65035000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":33044000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":33044000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":98582000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":98582000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":33547000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":33547000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":35902000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":35902000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":73208000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":73208000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":37306000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":37306000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":110724000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":110724000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":37516000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":37516000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":170647000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":170647000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":54440000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":103620000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":49180000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":151709000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":48089000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":211652000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DepreciationDepletionAndAmortization":{"label":"Depreciation, Depletion and Amortization","description":"The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":35665000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":39447000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":39447000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":44694000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":44694000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":44694000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47759000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":55089000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":64890000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":78511000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":91042000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":109818000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":123486000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":132914000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":133385000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":170647000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":170647000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":211652000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DepreciationExpenseOnReclassifiedAssets":{"label":"Depreciation Expense on Reclassified Assets","description":"For the asset that is reclassified back to held and use from held-for-sale, the depreciation expense recognized when the asset is reclassified. This represents the difference between the carrying value at the time the decision to reclassify is made and the carrying amount that the asset would have had if it had never been classified as held for sale (including consideration of depreciation expense).","units":{"USD":[{"start":"2020-10-01","end":"2020-12-31","val":5300000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-10-01","end":"2020-12-31","val":5300000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4"}]}},"DerivativeFairValueOfDerivativeAsset":{"label":"Derivative Asset, Fair Value, Gross Asset","description":"Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.","units":{"USD":[{"end":"2010-12-31","val":51069000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":51069000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":51069000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":31959000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":36891000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":45596000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":45596000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":45596000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":45596000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":45596000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":48359000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":41651000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":37622000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":36539000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":36539000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":36539000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":36539000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":30791000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":48468000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":40544000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":82778000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":82778000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":82778000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q4I"},{"end":"2014-03-31","val":76562000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":71319000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":60416000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":99273000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":99273000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":99273000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q4I"},{"end":"2015-03-31","val":67843000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":93083000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":77674000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":99331000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":99331000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":99331000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":77304000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":57041000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":65346000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80893000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":80893000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":80893000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":66190000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":53609000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":49718000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":48127000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":48127000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":48127000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":36654000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":34175000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":35428000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":61190000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":61190000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":61190000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":42857000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":46871000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":56314000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet":{"label":"Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net","description":"The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-1462000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-468000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-235000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-705000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-237000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-1486000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-1486000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-360000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-737000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-737000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-377000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-377000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-1122000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-1122000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-385000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-385000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-1435000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-1435000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-1435000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":-186000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-186000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-370000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-370000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-183000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":-183000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":-482000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":-482000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-112000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":-112000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":-594000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-594000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-594000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-112000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-112000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":-224000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":-224000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-112000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":-112000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-336000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":-336000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-112000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":-112000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":-448000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":-448000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-448000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-03-31","val":-112000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":-112000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":-224000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-06-30","val":-224000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-112000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":-112000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":-336000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":-336000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-112000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":-112000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":-419000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":-419000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-419000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-03-31","val":-23000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-210000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-187000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-303000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-93000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-551000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":-551000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2016-01-01","end":"2016-12-31","val":-333000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet":{"label":"Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net","description":"The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet":{"label":"Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31)","description":"The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":164000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-314000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-387000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-705000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-391000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-1063000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-1063000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-180000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-642000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-642000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-462000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-462000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-2407000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-2407000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-1765000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-1765000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-2773000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-2773000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-2773000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":136000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":136000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-752000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-752000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-888000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":-888000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":-752000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":-752000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":-752000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-752000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-752000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet":{"label":"Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net","description":"Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-13605000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-18755000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":3607000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-20340000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-1585000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-23265000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-23265000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":4736000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":6143000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":6143000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":1407000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":1407000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-2709000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-2709000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-8852000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-8852000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":5228000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5228000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5228000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":7107000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":7107000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":10499000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":10499000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3392000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":3392000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":6938000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":6938000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-3561000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-3561000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":467000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":467000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":467000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-6524000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-6524000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-21996000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-21996000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-15472000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-15472000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-22143000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-22143000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-147000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-147000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-23063000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-23063000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-23063000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-28815000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-28815000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-29101000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":-29101000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-286000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-286000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-30532000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-30532000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-1431000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-1431000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-7059000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-7059000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-7059000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-7005000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-7005000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":8221000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":8221000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":15226000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":15226000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-4206000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-4206000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-12427000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-12427000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":8497000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":8497000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":8497000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":8497000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":18228000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":18228000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-3372000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-3372000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-21600000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-21600000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":5849000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":5849000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":9221000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":9221000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":27582000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":27582000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":27582000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":27582000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":13683000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":13683000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":5448000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":5448000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-8234000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-8234000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":868000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":868000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-4580000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-4580000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-14344000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-14344000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-14344000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-14344000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":24981000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":24981000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":19423000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":19423000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-5558000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-5558000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":8871000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":8871000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-10552000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-10552000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":35846000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":35846000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":35846000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-13150000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-13150000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-15038000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-15038000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-1888000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-1888000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-22362000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-22362000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7324000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-7324000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-14546000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-14546000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-14546000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-4322000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-4322000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-5943000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-5943000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-1621000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-1621000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-11847000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-11847000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-5904000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-5904000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":5145000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-44000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-15274000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-15230000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-35089000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-19815000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5567000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DerivativeLiabilitiesCurrent":{"label":"Derivative Liability, Current","description":"Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-06-30","val":945000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":939000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":681000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":681000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":681000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":681000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":681000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":681000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":738000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":787000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":798000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":748000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":748000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":748000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":748000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":748000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":748000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":526000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":443000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":339000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":588000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":588000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":588000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":588000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":588000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":780000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1092000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1352000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1155000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1155000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1155000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1155000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1155000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1736000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2101000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2078000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":659000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":659000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":659000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":659000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":659000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":502000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":579000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":560000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":568000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":568000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":568000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":568000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":435000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":320000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":215000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"DerivativeLiabilitiesNoncurrent":{"label":"Derivative Liability, Noncurrent","description":"Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2009-12-31","val":5823000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":5823000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":5823000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":9663000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":12053000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":7404000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":7404000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":7404000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":7404000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":7404000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":6487000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":7493000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":13783000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":14046000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":14046000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":14046000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":14046000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":14046000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":12084000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":14821000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":14454000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":13462000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":13462000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":13462000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":13462000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":13462000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":12062000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":9091000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":8106000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":6676000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":6676000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":6676000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":6676000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":6676000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":7890000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8740000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":8821000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":10732000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":10732000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":10732000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":10732000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":10732000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":12036000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":9779000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":11518000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10943000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":10943000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":10943000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":10943000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":10943000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":13118000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":13386000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":13157000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":9349000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10017000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10559000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10479000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":9622000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":7194000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6252000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5125000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7285000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":7285000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":7285000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":7285000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":7285000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8898000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":11449000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":13621000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11505000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":11505000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":11505000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":11505000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":11505000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":18489000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":18491000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":17637000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9279000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":9279000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":9279000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":9279000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":9279000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6939000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":7865000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7467000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":7432000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":7432000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":7432000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":7432000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5582000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4031000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2646000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"DerivativeLiabilityFairValueGrossAsset":{"label":"Derivative Liability, Fair Value, Gross Asset","description":"Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.","units":{"USD":[{"end":"2010-12-31","val":58342000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":58342000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":58342000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":30326000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":53671000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":60151000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":60151000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":60151000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":60151000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":60151000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":54016000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":39735000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":37964000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":42693000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":42693000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":42693000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":42693000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":36585000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":72633000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":64056000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":106800000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":106800000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":106800000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q4I"},{"end":"2014-03-31","val":118056000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":119110000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":118122000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":140402000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":140402000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":140402000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q4I"},{"end":"2015-03-31","val":118337000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":124582000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":121801000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":123348000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":123348000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":123348000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":89636000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":89146000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":88843000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":74652000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":74652000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":74652000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":46493000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":39088000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":42546000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":63333000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":63333000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":63333000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":24359000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":20920000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":32930000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":39263000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":39263000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":39263000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":36783000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":55048000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":63438000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"DerivativeNetLiabilityPositionAggregateFairValue":{"label":"Derivative, Net Liability Position, Aggregate Fair Value","description":"The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.","units":{"USD":[{"end":"2011-06-30","val":7700000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":11200000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":16900000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":15500000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":14200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":7400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8500000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":29500000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":31500000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":38700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":38400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":45200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":33100000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":30600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":36300000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":40000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":44300000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":48700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-03-31","val":33600000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":22100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":17800000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5000000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4400000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3800000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1500000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1500000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":500000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":700000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-03-31","val":100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":500000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":200000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":500000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":300000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":300000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"DirectOperatingMaintenanceSuppliesCosts":{"label":"Direct Operating Maintenance Supplies Costs","description":"Costs of maintenance supplies used that are directly related to goods produced and sold, or services rendered, during the reporting period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7899000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":3861000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":1706000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":6162000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":2301000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":8869000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":8869000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":2816000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":5602000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":5602000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":2786000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":2786000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":8448000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":8448000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":2847000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":2847000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":11550000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":11550000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":11550000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":3009000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":3009000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":6224000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":6224000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":3215000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":3215000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":9638000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":9638000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":3414000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":3414000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":13122000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13122000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13122000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3192000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":3192000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6563000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":6563000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3371000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":3371000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":10133000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":10133000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":3570000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":3570000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":13615000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":13615000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":13615000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3422000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":3422000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":6787000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":6787000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":3365000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":3365000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":10141000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":10141000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":3354000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":3354000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":13136000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":13136000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":13136000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3259000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":3259000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":6440000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":6440000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":3181000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":3181000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":9715000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":9715000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":3275000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":3275000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":13457000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":13457000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":13457000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":3998000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":3998000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":7926000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":7926000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":3928000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":3928000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":12114000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":12114000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":4188000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":4188000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":16183000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":16183000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":16183000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":16183000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":4384000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":4384000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":8643000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":8643000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":4259000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":4259000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":12793000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":12793000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":4150000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":4150000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":17549000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":17549000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":17549000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":17549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":4981000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":4981000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":9653000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":9653000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":4672000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":4672000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":14268000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":14268000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":4615000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":4615000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":19727000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":19727000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":19727000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":19727000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6862000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":6862000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":13674000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":13674000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":6812000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":6812000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":22276000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":22276000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8602000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8602000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":32162000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":32162000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":32162000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":9630000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":9630000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":18903000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":18903000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":9273000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":9273000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":27984000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":27984000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":9081000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":9081000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":37341000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":37341000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":9595000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":18992000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":9397000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":28658000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":9666000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":38857000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax","description":"Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":247000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-42000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-23000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-58000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-16000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":427000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-427000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-29000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":-29000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-130000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":-130000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-101000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-101000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-101000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-263000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-263000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-133000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-133000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-133000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":633000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-633000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-633000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":-370000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":-383000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":-383000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":-383000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":-383000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-549000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-549000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-166000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-166000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":-166000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-166000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-484000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-484000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":65000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":65000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":65000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":65000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-568000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-568000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-568000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":-84000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":-84000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":-136000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-136000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":-136000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":-136000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-634000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":-634000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-498000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-498000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":-498000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-498000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-785000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":-785000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-151000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-151000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":-151000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-151000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-1168000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-1168000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-1168000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":-383000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":-383000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-471000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-471000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-471000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-471000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-499000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-499000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-28000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-28000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":-28000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-28000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-699000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-699000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-200000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-796000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-796000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-796000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-97000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":-97000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-313000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-313000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":-313000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":-313000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-393000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":-393000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-80000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-80000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":-80000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-80000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-513000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-513000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-120000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-120000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-120000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-120000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-582000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-582000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-582000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-69000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":-69000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-276000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-276000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":-276000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":-276000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-350000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-350000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-74000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-74000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":-74000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-74000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-441000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-441000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-91000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-91000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-91000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-91000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-62000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":-62000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-118000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-118000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":-118000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":-118000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":-118000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-147000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-147000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-29000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-29000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-29000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-29000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-29000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-176000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-176000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-29000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":-29000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":-29000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-29000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":-29000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-75000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":-75000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":-75000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-30000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-30000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":-30000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":-30000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-77000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-77000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-47000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-47000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-47000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-47000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-122000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-122000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-45000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-45000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-45000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-45000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":36000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":36000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-66000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-66000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":-66000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-92000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":-92000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-26000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-26000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-26000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-135000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-135000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-43000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-43000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-43000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-240000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-240000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-240000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-105000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-62000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-62000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":-62000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":-62000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-157000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-157000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-95000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-95000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-95000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-95000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-216000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-216000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-59000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-59000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-59000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-59000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-272000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-272000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-272000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-56000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":-56000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-59000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-59000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":-59000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-120000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-120000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-61000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-61000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-61000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-178000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-178000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-58000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-58000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-58000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-255000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-255000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-77000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-71000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":-71000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-151000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":-151000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-80000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-80000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-278000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-278000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-127000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-127000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":51000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-70000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-222000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-152000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-315000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-93000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"DiscontinuedOperationTaxEffectOfDiscontinuedOperation":{"label":"Discontinued Operation, Tax Effect of Discontinued Operation","description":"Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-224000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-337000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-337000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-66000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-66000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":14000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod":{"label":"Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period","description":"Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-224000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-70000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-54000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-142000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-72000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-337000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-337000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-206000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-296000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":296000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-90000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-90000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-260000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":260000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":36000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":36000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-302000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-74000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-74000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":342000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":-342000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-268000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-268000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":423000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":-423000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-81000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-81000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-629000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-253000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-253000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-268000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-268000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-15000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-15000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-377000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-377000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-109000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-109000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-426000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-169000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-169000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-212000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":-212000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-43000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-43000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-276000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-276000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-64000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-64000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-312000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-137000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-137000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-177000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-177000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-40000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-40000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-226000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-226000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-49000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-49000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-257000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-63000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-63000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-79000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-79000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-16000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-16000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-94000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-94000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-15000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":-15000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-133000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-16000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-16000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-41000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-41000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-25000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-25000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-66000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-66000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-25000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-25000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-173000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-16000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-16000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-22000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":-22000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-7000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-7000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-34000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-34000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-11000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-11000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-62000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-16000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-16000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-40000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-40000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-24000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-24000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-56000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-56000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-16000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-16000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-70000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-16000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-32000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-47000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-15000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-66000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-66000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":14000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"DividendsCommonStockCash":{"label":"Dividends, Common Stock, Cash","description":"Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-32914000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-36426000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":36426000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-40478000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":40478000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":40478000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":22336000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":22336000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":22336000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":23898000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":23898000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":23941000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-03-31","val":26562000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":26562000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":26562000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":26562000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":26562000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":26560000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":26560000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-03-31","val":27276000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":27277000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":27277000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-04-01","end":"2020-06-30","val":27277000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":27277000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":29677000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":29677000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":114643000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":114643000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-03-31","val":30453000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":34007000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":34007000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-04-01","end":"2021-06-30","val":34007000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":34007000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":34016000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":34016000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":133336000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":36398000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2022-01-01","end":"2022-03-31","val":36398000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-03-31","val":36398000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":37964000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":37964000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":37964000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"DividendsPayableCurrent":{"label":"Dividends Payable, Current","description":"Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2009-12-31","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q4I"},{"end":"2010-06-30","val":19716000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":9858000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":0,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q4I"},{"end":"2011-03-31","val":10933000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":10933000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":10972000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q4I"},{"end":"2012-03-31","val":12200000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":12253000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":12511000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":14102000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":14165000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":14155000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15510000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":15611000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":15707000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q4I"},{"end":"2015-03-31","val":17191000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":17205000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17268000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":18790000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":20962000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":20962000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":21750000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":21677000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":21677000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":22334000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":23941000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":23942000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":26562000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":26562000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":26563000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":27271000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":27277000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":29677000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":30453000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":34007000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":34016000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":36398000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":37964000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":37964000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EarlyRepaymentOfSeniorDebt":{"label":"Early Repayment of Senior Debt","description":"The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":575000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":725000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":2.59,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1.23,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":0.168,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":1.166,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.063,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.95,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1.95,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1.057,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":1.06,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1.339,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":1.339,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.283,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0.283,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.28,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1.383,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":1.383,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.044,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.044,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.04,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2.23,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2.23,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.23,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.85,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":1.721,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":1.72,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":1.721,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":1.72,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1.922,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1.922,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.203,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":0.203,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.749,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1.749,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.171,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-0.171,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2.98,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.98,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.98,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":1.23,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":1.23,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":1.788,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":1.788,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2.124,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":2.124,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2.178,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":2.18,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.065,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":2.98,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2.98,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2.98,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.8,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.8,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.374,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":1.37,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.028,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.55,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2.55,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1.28,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":1.46,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":1.46,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":0.73,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.75,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.88,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.61,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.81,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2.93,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1.46,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1.46,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.31,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0.66,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.79,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.79,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.54,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0.54,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.69,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":1.28,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1.28,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0.81,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0.92,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-0.15,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0.6,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":2.58,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1.225,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":0.167,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":1.162,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.063,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.94,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1.94,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1.054,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":1.05,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1.335,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":1.335,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.282,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0.282,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.28,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1.378,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":1.378,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.044,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.044,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.04,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2.22,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2.22,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.22,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.85,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":1.715,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":1.72,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":1.715,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":1.72,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1.917,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1.917,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.202,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":0.202,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.744,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1.744,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.171,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-0.171,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2.97,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.97,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.97,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":1.22,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":1.22,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":1.783,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1.78,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":1.783,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":1.78,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2.119,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":2.119,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.339,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.339,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.34,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2.171,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":2.17,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.065,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":2.97,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2.97,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2.97,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.8,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.8,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":1.348,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1.35,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.371,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":1.37,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.028,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1.33,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.55,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2.55,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1.28,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":1.46,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":1.46,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":0.73,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.75,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.88,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.61,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.81,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2.92,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1.46,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1.46,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.3,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0.65,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.79,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.79,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.52,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1.52,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1.52,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1.52,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.69,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":1.26,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1.26,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0.8,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.08,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0.9,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-0.15,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0.59,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"EffectiveIncomeTaxRateContinuingOperations":{"label":"Effective Income Tax Rate Reconciliation, Percent","description":"Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"pure":[{"start":"2009-01-01","end":"2009-12-31","val":0.41,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":0.41,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.41,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.41,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":0.41,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":0.41,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.41,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.41,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.41,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0.41,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":0.41,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.41,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":0.41,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.41,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0.41,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":0.41,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.41,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.41,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":0.41,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.41,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0.41,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":0.41,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.41,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0.41,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.41,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.41,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0.41,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":0.41,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0.41,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0.41,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":0.41,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0.41,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.41,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.41,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0.41,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.41,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.41,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.41,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0.41,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.41,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0.41,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0.41,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0.4,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.4,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.4,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.4,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.4,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.4,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.4,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.4,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0.4,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.4,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.4,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.4,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.4,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.4,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0.4,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-04-01","end":"2016-06-30","val":0.4,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.4,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.4,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.4,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0.4,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0.4,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.4,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.4,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.4,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0.4,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0.4,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0.4,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0.4,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":0.25,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0.25,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.25,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.25,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0.27,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0.27,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":0.27,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.27,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":0.27,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"}]}},"EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount":{"label":"Share-based Payment Arrangement, Amount Capitalized","description":"Amount of cost capitalized for award under share-based payment arrangement.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":171000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-101000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-50000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-151000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-50000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":202000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":202000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-55000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-110000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-110000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-55000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-55000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-165000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-165000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-55000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-55000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":218000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":218000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":218000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-58000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":58000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-115000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":115000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-58000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":58000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-173000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":173000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-58000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":58000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":231000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":231000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":231000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":63000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":63000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":126000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":126000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":63000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":63000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":178000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":178000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":59000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":59000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":237000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":237000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":237000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":70000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":70000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":140000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":140000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":70000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":70000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":210000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":210000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":70000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":70000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":147000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":147000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":147000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":91000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":91000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":178000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":178000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":87000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":87000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":270000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":270000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":92000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":92000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":216000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":216000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":216000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":216000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":106000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":106000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":212000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":212000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":106000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":106000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":289000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":289000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":77000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":77000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":385000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":385000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":385000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":385000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":88000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":88000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":192000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":192000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":104000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":104000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":288000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":288000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":96000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":96000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":288000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":288000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":288000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":288000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":101000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":101000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":202000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":202000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":101000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":101000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":303000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":303000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":101000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":101000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":386000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":386000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":386000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":81000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":81000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":34000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":34000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-47000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-47000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":153000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":153000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":119000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":119000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":275000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":275000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":275000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":122000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":122000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":23000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":23000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-99000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-99000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":35000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":35000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":12000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":12000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":46000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":46000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":23000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":23000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":67000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":67000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":44000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":44000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":101000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":101000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":33000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":33000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":440000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":38000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":89000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":52000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":335000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":246000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":{"label":"Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount","description":"Amount of cost not yet recognized for nonvested award under share-based payment arrangement.","units":{"USD":[{"end":"2010-06-30","val":3700000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2I"},{"end":"2011-09-30","val":3200000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":4600000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3900000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3200000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2300000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4800000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":5000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4300000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3500000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2800000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6800000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4600000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3800000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2900000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6500000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8900000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":7900000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6500000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-03-31","val":9300000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":8100000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6300000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5300000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8600000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7400000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4900000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8500000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4200000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":9800000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":6000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10400000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":10200000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":9200000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition":{"label":"Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31)","description":"The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.","units":{"pure":[{"start":"2010-04-01","end":"2010-06-30","val":2,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.8,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":1.7,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"}],"year":[{"start":"2012-01-01","end":"2012-03-31","val":2.2,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":1.8,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"}]}},"EnergyMarketingContractLiabilitiesCurrent":{"label":"Energy Marketing Contract Liabilities, Current","description":"Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps.","units":{"USD":[{"end":"2009-12-31","val":28260000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":28260000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":28260000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":42830000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":54194000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":42297000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":42297000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":42297000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":42297000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":42297000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":22012000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":18619000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":32570000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":38738000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":38738000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":38738000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":38738000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":38738000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":36712000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":19340000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":17558000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":23828000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":23828000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":23828000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":23828000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":23828000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":20222000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":37979000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":33254000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":77993000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":77993000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":77993000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":77993000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":77993000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":89892000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":93123000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":92518000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":109744000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":109744000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":109744000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":109744000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":109744000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":81779000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":92914000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":86793000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":90708000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":90708000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":90708000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":90708000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":90708000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":66370000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":66444000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":66906000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":60082000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":31702000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":23082000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":26910000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":46938000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":12486000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10798000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":23469000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":24134000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":24134000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":24134000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":24134000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":24134000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":21392000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":35229000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":40653000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":41965000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":41965000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":41965000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":41965000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":41965000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":30710000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":25963000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":25005000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":27006000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":27006000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":27006000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":27006000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":27006000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":21837000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":63763000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":106244000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":60002000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":60002000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":60002000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":60002000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":93458000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":146919000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":159805000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EnergyMarketingContractsAssetsCurrent":{"label":"Energy Marketing Contracts Assets, Current","description":"Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":36512000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":36512000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":36512000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":33941000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":40374000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":39513000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":39513000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":39513000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":39513000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":39513000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":27682000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":25347000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":29572000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":37461000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":37461000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":37461000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":37461000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":37461000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":38545000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":31254000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":26335000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":24242000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":24242000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":24242000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":24242000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":24242000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":22330000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":33826000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":28807000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":56327000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":56327000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":56327000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":56327000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":56327000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":58123000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":58213000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":47032000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":85368000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":85368000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":85368000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":85368000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":85368000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":52441000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":73879000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":60536000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":83093000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":83093000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":83093000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":83093000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":83093000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":57815000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":45112000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":53780000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":72391000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":58129000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":46361000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":42068000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":42139000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":24386000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":23892000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":27414000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":54021000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":54021000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":54021000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":54021000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":54021000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":29180000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":34988000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":46708000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":52892000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":52892000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":52892000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":52892000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":52892000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":31120000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":31925000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":36541000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":41439000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":41439000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":41439000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":41439000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":41439000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":38541000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":83511000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":141690000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":95041000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":95041000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":95041000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":95041000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":150133000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":157217000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":187126000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EnergyMarketingContractsAssetsNoncurrent":{"label":"Energy Marketing Contracts Assets, Noncurrent","description":"Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":11585000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":11585000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":11585000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":12786000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":11302000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":11556000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":11556000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":11556000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":11556000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":11556000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":6744000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":6612000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":7319000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":8135000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":8135000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":8135000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":8135000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":8135000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":9814000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10397000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11287000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12297000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":12297000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":12297000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":12297000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":12297000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8461000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":14642000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":11737000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":26451000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":26451000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":26451000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":26451000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":26451000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":18439000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":13106000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":13384000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":13905000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":13905000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":13905000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":13905000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":13905000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15402000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":19204000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17138000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":16238000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":16238000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":16238000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":16238000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":16238000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":19489000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":11929000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":11566000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":8502000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8061000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":7248000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7650000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":5988000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":12268000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10283000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8014000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7169000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":7169000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":7169000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":7169000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":7169000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13677000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":11883000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9606000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7243000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":7243000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":7243000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":7243000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":7243000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13522000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11486000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10407000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6935000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":6935000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":6935000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":6935000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":6935000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":16084000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":25110000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":37307000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":22488000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":22488000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":22488000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":22488000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":52102000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":61923000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":52461000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EnergyRelatedInventoryNaturalGasInStorage":{"label":"Energy Related Inventory, Natural Gas in Storage","description":"Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.","units":{"USD":[{"end":"2009-12-31","val":99697000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":99697000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":99697000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":87833000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":99052000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":69725000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":69725000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":69725000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":69725000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":69725000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":26132000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":51303000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":71338000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":68823000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":68823000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":68823000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":68823000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":68823000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":45625000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":50935000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":58965000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":55517000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":55517000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":55517000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":55517000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":55517000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":43466000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":58440000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":65437000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":57786000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":57786000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":57786000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":57786000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":57786000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15299000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":33195000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":60609000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":63246000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":63246000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":63246000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":63246000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":63246000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":38925000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":47233000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":53263000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":54211000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":54211000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":54211000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":54211000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":54211000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":38571000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":44499000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":50787000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":53857000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":35216000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":47521000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":55502000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":48513000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":33422000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":44086000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":84373000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":60425000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":60425000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":60425000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":60425000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":60425000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":26613000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":49431000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":64404000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":54153000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":54153000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":54153000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":54153000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":54153000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":31068000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":40483000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":51606000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":39440000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":39440000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":39440000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":39440000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":39440000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":18800000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":40101000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":65325000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":59744000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":59744000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":59744000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":59744000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":19613000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":69615000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":119331000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"EnvironmentalRemediationExpense":{"label":"Environmental Remediation Expense","description":"The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-26175000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-449000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-449000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-3520000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-3520000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-3520000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-13608000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-13608000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-13608000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-186000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-186000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-186000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-367000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-367000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-367000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-8265000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-8265000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-8265000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-22057000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-22057000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-22057000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-22057000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-39731000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-39731000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-39731000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-39731000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-39860000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-39860000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-39860000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-39860000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-59307000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-59307000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-59307000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-49180000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-49180000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-49180000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-19325000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-19325000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-34057000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"EquityMethodInvestmentAggregateCost":{"label":"Equity Method Investment, Aggregate Cost","description":"This element represents the aggregate cost of investments accounted for under the equity method of accounting.","units":{"USD":[{"end":"2011-06-30","val":7300000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"}]}},"EquityMethodInvestmentOtherThanTemporaryImpairment":{"label":"Equity Method Investment, Other than Temporary Impairment","description":"This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":87400000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":87400000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":87400000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":87400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-04-01","end":"2021-06-30","val":87400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"start":"2021-04-01","end":"2021-06-30","val":87400000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":87400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":87400000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":102872000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"EquityMethodInvestmentSummarizedFinancialInformationCostOfSales":{"label":"Equity Method Investment, Summarized Financial Information, Cost of Sales (Deprecated 2020-01-31)","description":"The amount of the cost of sales reported by an equity method investment of the entity.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":52187000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":52187000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":64181000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":64181000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":64181000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":71141000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":71141000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":71141000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":91228000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":91228000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":91228000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":107042000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":107042000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":86452000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets":{"label":"Equity Method Investment, Summarized Financial Information, Current Assets (Deprecated 2020-01-31)","description":"The amount of current assets reported by an equity method investment of the entity.","units":{"USD":[{"end":"2010-12-31","val":1926000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":26390000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":26390000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":57711000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":57711000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":57725000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":57725000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":46683000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":46683000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-12-31","val":21914000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities":{"label":"Equity Method Investment, Summarized Financial Information, Current Liabilities (Deprecated 2020-01-31)","description":"The amount of current liabilities reported by an equity method investment of the entity.","units":{"USD":[{"end":"2010-12-31","val":50501000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":71375000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":71375000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":211628000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":211628000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":60355000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":60355000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":75260000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":75260000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-12-31","val":47797000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems":{"label":"Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations (Deprecated 2020-01-31)","description":"Amount of income (loss) from continuing operations reported by an equity method investee.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":1522000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":5795000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":5795000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":-11666000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":-11666000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-56962000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss":{"label":"Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31)","description":"The amount of net income (loss) reported by an equity method investment of the entity.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":444000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-3536000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-3536000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1522000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1522000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":1522000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":5795000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":5795000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":5795000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":6229000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":-11666000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":-11666000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-56962000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets":{"label":"Equity Method Investment, Summarized Financial Information, Noncurrent Assets (Deprecated 2020-01-31)","description":"The amount of noncurrent assets reported by an equity method investment of the entity.","units":{"USD":[{"end":"2010-12-31","val":388780000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":625556000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":625556000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":759996000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":759996000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":494933000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":494933000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":478240000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":478240000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-12-31","val":117091000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities":{"label":"Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities (Deprecated 2020-01-31)","description":"The amount of noncurrent liabilities reported by an equity method investment of the entity.","units":{"USD":[{"end":"2010-12-31","val":352577000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":540166000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":540166000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":460560000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":460560000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":341548000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":341548000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":315801000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":315801000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-12-31","val":112438000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"EquityMethodInvestmentSummarizedFinancialInformationRevenue":{"label":"Equity Method Investment, Summarized Financial Information, Revenue (Deprecated 2020-01-31)","description":"Amount of revenue from sale of product and rendering of service reported by equity method investee.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":10638000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":75476000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":75476000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":95647000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":95647000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":95647000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":148009000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":148009000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":148009000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":178026000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":178026000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":178026000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":207031000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":207031000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":163479000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"EquityMethodInvestments":{"label":"Equity Method Investments","description":"This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.","units":{"USD":[{"end":"2009-12-31","val":2483000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":2483000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":2483000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":6842000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":6671000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":8005000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":8005000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":8005000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":8005000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":8005000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":27860000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":30835000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":31877000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":31815000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":31815000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":31815000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":31815000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":31815000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":47862000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":60604000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":73493000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":75825000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":75825000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":75825000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":75825000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":75825000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":77230000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":78388000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":78248000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":78273000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":78273000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":78273000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":78273000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":78273000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":80324000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":78421000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":72866000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":68351000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":68351000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":68351000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":68351000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":68351000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":67754000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":51970000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":53237000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":16983000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":16983000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":16983000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":16983000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":16983000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":20254000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":22168000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24414000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":28906000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":37331000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":49979000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":54137000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":62292000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":66970000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":72426000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":74811000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":76122000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":76122000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":76122000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":76122000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":76122000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":79243000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":81759000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":84162000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":87087000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":87087000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":87087000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":87087000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":87087000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":89952000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":91323000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":92945000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":106230000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":106230000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":106230000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":106230000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":106230000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":112936000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":32509000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":36157000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":38509000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":38509000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":38509000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":38509000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":53884000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":70264000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":105525000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"ExplorationAbandonmentAndImpairmentExpense":{"label":"Exploration Abandonment and Impairment Expense","description":"The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project.","units":{"USD":[{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-03-31","val":1100000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1100000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1100000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":1100000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":1100000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":1100000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3","description":"Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-954000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-954000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)","description":"This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.","units":{"USD":[{"start":"2011-01-01","end":"2011-03-31","val":-2151000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-586000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-586000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":1565000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":1565000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-2585000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-2585000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-1999000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-1999000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-03-31","val":169000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":3475000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":3306000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":3131000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-344000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings","description":"Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2012-01-01","end":"2012-03-31","val":169000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":3475000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3306000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":3131000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-344000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-03-31","val":-701000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-701000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":-12723000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":-12723000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-12022000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":-12022000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-21229000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":-21229000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-8506000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":-8506000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2014-01-01","end":"2014-03-31","val":-12124000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":-12124000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":-14376000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-2252000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-14799000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-423000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-16438000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements","description":"Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2011-01-01","end":"2011-03-31","val":4698000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":5511000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":5511000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":813000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":813000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":5334000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":5334000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-177000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-177000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-03-31","val":3831000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-3831000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":5561000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":5561000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":1730000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":1730000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":5724000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":5724000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":163000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":163000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2013-01-01","end":"2013-03-31","val":434000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":434000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":518000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":518000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":952000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":952000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1253000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":1253000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":735000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":735000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2014-01-01","end":"2014-03-31","val":942000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":942000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":1512000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":2454000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":4005000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":2493000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-4735000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net","description":"Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3"},{"start":"2013-01-01","end":"2013-06-30","val":928000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":928000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":928000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":928000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":3385000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":3385000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":2457000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":2457000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value","description":"Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"end":"2010-12-31","val":-3163000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2010-12-31","val":-3163000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":-3163000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":-3163000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2010Q4I"},{"end":"2010-12-31","val":-3163000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-03-31","val":-616000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-03-31","val":-616000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2011-03-31","val":-616000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1762000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2011-06-30","val":1762000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2011-06-30","val":1762000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q2I"},{"end":"2011-06-30","val":1762000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-09-30","val":-414000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2011-09-30","val":-414000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-5958000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":-5958000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2011Q4I"},{"end":"2011-12-31","val":-5958000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2011-12-31","val":-5958000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2011-12-31","val":-5958000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":-5958000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-30","val":-1958000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":-1958000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2012-03-31","val":-1958000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q1I"},{"end":"2012-03-31","val":-1958000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-06-30","val":3078000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q2I"},{"end":"2012-06-30","val":3078000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-06-30","val":3078000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2012-06-30","val":3078000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-09-30","val":2897000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3I"},{"end":"2012-09-30","val":2897000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2012Q4I"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2013-03-31","val":1627000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q1I"},{"end":"2013-03-31","val":1627000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-03-31","val":1627000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2013-03-31","val":1627000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2013-06-30","val":-8515000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q2I"},{"end":"2013-06-30","val":-8515000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-06-30","val":-8515000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2013-06-30","val":-8515000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2013-09-30","val":-13829000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3I"},{"end":"2013-09-30","val":-13829000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2013Q4I"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2014-03-31","val":-4971000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1I"},{"end":"2014-03-31","val":-4971000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2014-03-31","val":-4971000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2014-06-30","val":-4769000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q2I"},{"end":"2014-06-30","val":-4769000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2014-09-30","val":-2699000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-17311000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings","description":"Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-774000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-7988000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":7988000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-2902000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-2902000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1573000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":-1573000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":-17153000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":-17153000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-5069000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements","description":"Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":7910000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":5193000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5193000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":5818000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":5818000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1012000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":1012000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":3450000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":3450000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2643000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net","description":"Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2748000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":-2748000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2015-01-01","end":"2015-12-31","val":7402000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value","description":"Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"end":"2009-12-31","val":10299000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":3163000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":3163000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":5958000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":5958000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":5958000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2762000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2012-12-31","val":-2762000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":-2762000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013Q4I"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":-8095000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings","description":"Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":-14376000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-2252000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-14799000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-423000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":16438000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2062000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-2062000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":14376000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":14376000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-12787000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-12787000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-10725000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-10725000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-5069000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-10015000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":10015000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2058000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-2058000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":12073000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-12073000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":8346000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":8346000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":10404000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":10404000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5657000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":5657000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":5657000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-988000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-988000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":6994000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":6994000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":7982000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":7982000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":8346000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":8346000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":1352000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1352000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1857000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1857000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1857000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3989000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":3989000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":10204000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":10204000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":6215000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":6215000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":5778000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":5778000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-4426000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-4426000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":14418000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":14418000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2300000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-2268000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4285000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":4285000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":6553000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":6553000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":10331000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":10331000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":6046000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":6046000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":19688000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":19688000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":9403000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":9403000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7017000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":7017000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2386000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-2386000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":3819000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":3819000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-3198000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-3198000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":11078000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":11078000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":5477000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":5477000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1313000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":1313000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-4164000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-4164000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-12547000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-12547000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-13860000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-13860000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-228000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-398000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4453000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":4851000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1667000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-2786000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements","description":"Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":2643000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-106000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements","description":"Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":1512000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":2454000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":4005000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":2493000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-4735000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3072000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-3072000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-1663000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1663000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1676000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":1676000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-1396000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-1396000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-3858000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":3858000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-594000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":594000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":3264000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-3264000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":171000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":171000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-423000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":-423000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-106000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-106000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":8187000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":8187000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2120000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":2120000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-6067000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-6067000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-2661000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-2661000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-4781000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-4781000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-6828000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-6828000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-6828000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9487000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":9487000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5047000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":5047000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-4440000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-4440000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1416000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1416000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-3631000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-3631000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1467000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1467000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-5516000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-5516000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-10386000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-10386000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-4870000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-4870000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-14531000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":14531000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-4144000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":4144000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-18175000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":18175000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-7999000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":7999000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-12340000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":12340000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-4342000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":4342000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":14984000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":14984000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":2644000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":2644000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":17646000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":17646000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":5063000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":5063000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":7363000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":7363000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":2300000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":2300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":8585000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":8585000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":1222000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":1222000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":10098000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2512000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":3769000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":1257000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":4800000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":1031000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3","description":"Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":7402000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":2100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":2100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-12-31","val":4116000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":4116000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":4116000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-954000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net","description":"Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into (out of) level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":2054000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":2054000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":2054000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":2054000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":2054000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":2054000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":7400000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":4100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":-748000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-748000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-748000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-748000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-954000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-954000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-206000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-206000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs","description":"Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"end":"2013-12-31","val":8095000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2013-12-31","val":8095000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2013Q4I"},{"end":"2014-03-31","val":-4971000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-4769000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-06-30","val":-4769000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-2699000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2014-12-31","val":-5608000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-17311000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-03-31","val":-17311000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-03-31","val":-17311000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-2544000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-06-30","val":-2544000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-06-30","val":-2544000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-06-30","val":-2544000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-14665000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-09-30","val":-14665000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":-632000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-03-31","val":13241000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2016-03-31","val":13241000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2016-03-31","val":13241000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-03-31","val":13241000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-2096000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2016-06-30","val":-2096000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2016-06-30","val":-2096000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-06-30","val":-2096000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7885000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2016-09-30","val":7885000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2016-12-31","val":9035000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":16234000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2017-03-31","val":16234000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2017-03-31","val":16234000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-03-31","val":16234000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q1I"},{"end":"2017-06-30","val":17401000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2017-06-30","val":17401000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2017-06-30","val":17401000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-06-30","val":17401000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q2I"},{"end":"2017-09-30","val":13766000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2017-09-30","val":13766000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2017-12-31","val":3110000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":16586000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2018-03-31","val":16586000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2018-03-31","val":16586000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-03-31","val":16586000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q1I"},{"end":"2018-06-30","val":18361000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2018-06-30","val":18361000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-06-30","val":18361000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-06-30","val":18361000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10304000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-09-30","val":10304000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":16061000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8277000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-03-31","val":8277000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-03-31","val":8277000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-03-31","val":8277000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9960000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":9959000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-06-30","val":9960000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-06-30","val":9959000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2I"},{"end":"2019-09-30","val":11861000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-09-30","val":11861000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2019-12-31","val":17574000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":18978000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2020-03-31","val":18979000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-03-31","val":18978000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-03-31","val":18979000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12251000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-06-30","val":12251000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-06-30","val":12251000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-06-30","val":12251000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6409000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-09-30","val":6409000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2020-12-31","val":11006000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2020Q4I"},{"end":"2021-03-31","val":11420000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-31","val":11420000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-03-31","val":11420000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-03-31","val":11420000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q1I"},{"end":"2021-06-30","val":4956000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":4956000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-06-30","val":4956000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-06-30","val":4956000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2I"},{"end":"2021-09-30","val":-10126000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-09-30","val":-10126000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3I"},{"end":"2021-12-31","val":680000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":680000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":680000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":680000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":-2230000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2022-03-31","val":-2230000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1364000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2022-06-30","val":1364000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2I"},{"end":"2022-09-30","val":-2453000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"FinanceLeaseInterestExpense":{"label":"Finance Lease, Interest Expense","description":"Amount of interest expense on finance lease liability.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":18000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":18000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":56000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":56000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":190000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"FinanceLeaseLiability":{"label":"Finance Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from finance lease.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-09-30","val":3051000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3053000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":3100000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":3100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":3100000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":3053000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3100000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5638000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":5600000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":5600000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":5600000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5700000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5700000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5700000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"FinanceLeaseLiabilityCurrent":{"label":"Finance Lease, Liability, Current","description":"Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.","units":{"USD":[{"end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityNoncurrent":{"label":"Finance Lease, Liability, Noncurrent","description":"Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.","units":{"USD":[{"end":"2020-09-30","val":3051000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3053000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5633000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDue":{"label":"Finance Lease, Liability, Payment, Due","description":"Amount of lessee's undiscounted obligation for lease payments for finance lease.","units":{"USD":[{"end":"2020-09-30","val":7173000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7137000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":11624000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueAfterYearFive":{"label":"Finance Lease, Liability, to be Paid, after Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-12-31","val":6412000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":10366000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueNextTwelveMonths":{"label":"Finance Lease, Liability, to be Paid, Year One","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-09-30","val":145000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":248000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueYearFive":{"label":"Finance Lease, Liability, to be Paid, Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-12-31","val":145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":255000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueYearFour":{"label":"Finance Lease, Liability, to be Paid, Year Four","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-09-30","val":145000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":253000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueYearThree":{"label":"Finance Lease, Liability, to be Paid, Year Three","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-09-30","val":145000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":252000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsDueYearTwo":{"label":"Finance Lease, Liability, to be Paid, Year Two","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-09-30","val":145000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":145000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":250000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear":{"label":"Finance Lease, Liability, to be Paid, Remainder of Fiscal Year","description":"Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.","units":{"USD":[{"end":"2020-09-30","val":36000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"FinanceLeaseLiabilityUndiscountedExcessAmount":{"label":"Finance Lease, Liability, Undiscounted Excess Amount","description":"Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.","units":{"USD":[{"end":"2020-09-30","val":4122000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5986000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseRightOfUseAsset":{"label":"Finance Lease, Right-of-Use Asset, after Accumulated Amortization","description":"Amount, after accumulated amortization, of right-of-use asset from finance lease.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3018000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":3018000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5589000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FinanceLeaseRightOfUseAssetAmortization":{"label":"Finance Lease, Right-of-Use Asset, Amortization","description":"Amount of amortization expense attributable to right-of-use asset from finance lease.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":10000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":10000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":32000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":32000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":71000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"FinanceLeaseWeightedAverageDiscountRatePercent":{"label":"Finance Lease, Weighted Average Discount Rate, Percent","description":"Weighted average discount rate for finance lease calculated at point in time.","units":{"pure":[{"end":"2020-09-30","val":0.05,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.05,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":0.05,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0.043,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAccumulatedAmortization":{"label":"Finite-Lived Intangible Assets, Accumulated Amortization","description":"Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2018-12-31","val":5440000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":7733000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":7733000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":7733000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":7733000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":7733000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":9053000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":10373000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":11743000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":13160000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":13160000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":13160000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":13160000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":13160000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":14619000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":16079000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":17507000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":19065000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":5280000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-06-30","val":5280000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5580000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5844000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2004000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2129000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2136000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2176000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.","units":{"USD":[{"end":"2020-06-30","val":2640000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1395000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2021-03-31","val":4377000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2981000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1493000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":160000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":724000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":160000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-06-30","val":160000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":460000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":724000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":724000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":849000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":856000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":1440000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-06-30","val":160000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":460000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":724000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":724000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":849000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":856000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":5280000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-06-30","val":1440000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1740000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2004000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":724000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":849000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":856000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsGross":{"label":"Finite-Lived Intangible Assets, Gross","description":"Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2018-12-31","val":33600000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":21600000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":21600000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":21600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":21600000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":21600000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":21600000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":21600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":26100000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30418000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":30418000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":30418000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":30418000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":30418000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":30320000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":32197000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":32238000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":33108000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2017-12-31","val":12500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":28100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":28100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":26700000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":28100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":28100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":28160000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-06-30","val":25100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":26000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13867000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":13867000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":13867000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":13867000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":13867000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12547000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11227000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":14357000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":17258000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":17258000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":17258000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":17258000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":17258000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":15701000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":16118000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":14731000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":14043000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"FiniteLivedIntangibleAssetsPeriodIncreaseDecrease":{"label":"Finite-Lived Intangible Assets, Period Increase (Decrease)","description":"Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":-5700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-3300000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-3300000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments":{"label":"Finite-Lived Intangible Assets, Purchase Accounting Adjustments","description":"Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for purchase accounting adjustments.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":-4600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-2200000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-2200000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"GainLossOnDispositionOfAssets1":{"label":"Gain (Loss) on Disposition of Assets","description":"Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2563000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2563000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":15379000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":15379000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":15379000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":-3246000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-3246000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-2292000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":2292000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3133000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":3133000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":3133000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2578000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":2578000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments":{"label":"Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments","description":"Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1210000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-838000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-600000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-1250000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-412000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-641000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-641000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":261000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":11000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":11000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-250000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-250000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-298000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-298000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-309000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-309000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":136000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":136000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":220000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":220000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":84000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":84000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":273000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":273000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":53000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":53000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":525000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":525000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1775000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":1250000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":2165000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":390000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-214000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1337000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"GainLossRelatedToLitigationSettlement":{"label":"Gain (Loss) Related to Litigation Settlement","description":"Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":794000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":794000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":794000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"GainsLossesOnExtinguishmentOfDebt":{"label":"Gain (Loss) on Extinguishment of Debt","description":"Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-543000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-543000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-543000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-543000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"GasDomesticRegulatedRevenue":{"label":"Gas Domestic Regulated Revenue (Deprecated 2018-01-31)","description":"Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":560191000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":304564000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":64455000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":360522000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":55958000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":480264000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":480264000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":196057000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":257242000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":257242000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":61185000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":61185000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":314081000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":314081000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":56839000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":56839000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":469407000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":469407000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":469407000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":174389000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":174389000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":239359000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":239359000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":64970000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":64970000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":297567000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":297567000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":58208000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":58208000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":405742000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":405742000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":405742000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":179202000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":179202000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":238258000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":238258000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":59056000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":59056000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":292257000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":292257000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":53999000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":53999000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":420818000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":420818000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":420818000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":173651000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":173651000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":239691000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":239691000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":66040000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":66040000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":298993000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":298993000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":59302000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":59302000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":444920000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":444920000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":444920000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":210329000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":210329000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":279232000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":279232000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":68903000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":68903000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":339988000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":339988000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":60756000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":60756000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":500752000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":500752000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":500752000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":266530000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":266530000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":341824000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":341824000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":75294000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":75294000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":399332000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":399332000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":57507000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":57507000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":528763000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":528763000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":528763000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":528763000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":183669000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":183669000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":251942000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":251942000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":68273000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":68273000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":312925000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":312925000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":60983000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":60983000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":453819000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":453819000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":453819000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":195769000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":195769000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":277707000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":277707000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":81938000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":81938000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":343180000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":65473000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":512482000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":512482000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":231768000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":307371000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":75603000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"}]}},"Goodwill":{"label":"Goodwill","description":"Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":8880000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-03-31","val":8139000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8139000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":8139000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":4838000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4838000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4838000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4838000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":3578000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3578000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3578000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-07-01","val":756247000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":731029000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":731029000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":700286000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":700286000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":700286000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-09-30","val":759826000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":734607000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":734600000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":734607000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":734607000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":734607000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":734607000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-03-31","val":734607000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":703864000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":705707000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":702070000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":702070000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":702070000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":706960000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":706960000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":706960000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":706960000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":706960000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":706960000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":706960000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":706960000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":706960000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":706960000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":706960000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":706960000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":706960000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":706960000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":706960000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":706960000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"GoodwillAcquiredDuringPeriod":{"label":"Goodwill, Acquired During Period","description":"Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":756247000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2020-01-01","end":"2020-09-30","val":4890000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"}]}},"GoodwillImpairmentLoss":{"label":"Goodwill, Impairment Loss","description":"Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1260000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1260000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1260000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":3600000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":3637000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"GoodwillPurchaseAccountingAdjustments":{"label":"Goodwill, Purchase Accounting Adjustments","description":"Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":-741000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-741000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":-741000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":-4042000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":4042000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":4042000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-25218000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":15143000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-12-31","val":-25218000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":15143000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":-15143000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-15143000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"GoodwillTransfers":{"label":"Goodwill, Transfers","description":"Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-3637000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"GuaranteeObligationsCurrentCarryingValue":{"label":"Guarantor Obligations, Current Carrying Value","description":"The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.","units":{"USD":[{"end":"2011-12-31","val":74800000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":74700000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":114400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":112700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":79300000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":125400000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":95700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":95700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":134600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":72300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":99600000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":143100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"GuaranteeObligationsMaximumExposure":{"label":"Guarantor Obligations, Maximum Exposure, Undiscounted","description":"Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.","units":{"USD":[{"end":"2011-06-30","val":4200000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":4200000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":4200000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":4200000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":4200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4200000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":4200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4200000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":4200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4200000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4200000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4200000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4200000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4200000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"}]}},"ImpairmentOfIntangibleAssetsExcludingGoodwill":{"label":"Impairment of Intangible Assets (Excluding Goodwill)","description":"The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":2200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2200000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":4800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":4800000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"ImpairmentOfInvestments":{"label":"Other than Temporary Impairment Losses, Investments","description":"The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"ImpairmentOfLongLivedAssetsHeldForUse":{"label":"Impairment of Long-Lived Assets Held-for-use","description":"The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"}]}},"ImpairmentOfOilAndGasProperties":{"label":"Impairment of Oil and Gas Properties","description":"The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1100000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":1100000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1100000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"IncomeLossFromContinuingOperations":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent","description":"Amount after tax of income (loss) from continuing operations attributable to the parent.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":77178000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":36653000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":5031000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":34795000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-1858000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":58532000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":58532000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":40109000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8541000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":41550000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1441000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":67285000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":67285000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":89859000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2015-01-01","end":"2015-12-31","val":105610000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":105610000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":68187000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":68187000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":-4798000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-4798000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":9664000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":9664000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":119061000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":119061000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":119061000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":46008000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":46008000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":37747000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":37747000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":37747000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":-7612000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-7612000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-7612000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":-37548000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-37548000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-37548000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-3404000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-3404000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-3404000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-3404000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":4009000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":4009000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":4009000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":111306000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":-93793000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":-45642000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":17903000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":17903000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":17903000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":46032000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-12-31","val":77189000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":77189000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":77189000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":157297000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":157297000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":88514000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":128723000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":60884000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":6543000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":55965000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-4919000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":93529000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":93529000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":54687000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":64920000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":64920000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":10233000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":10233000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":59829000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":59829000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-5091000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-5091000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":99147000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":99147000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":99147000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":73638000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":73638000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":83648000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":83648000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":10010000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":10010000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":72846000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":72846000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-10802000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-10802000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":113171000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":113171000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":113171000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":69888000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":69888000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":78608000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":78608000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":8720000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":8720000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":76931000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":76931000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-1677000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-1677000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":102016000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":102016000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":102016000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":51140000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":51140000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":39792000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":39792000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-11348000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-11348000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":32393000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":32393000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-7399000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-7399000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":61790000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":61790000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":61790000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":57794000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":57794000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":58888000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":58888000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":1094000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":1094000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":51426000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":51426000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-7462000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-7462000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":109862000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":109862000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":109862000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":70011000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":70011000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":95917000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":95917000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":25906000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":25906000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":74998000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":74998000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-20919000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-20919000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":134782000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":134782000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":134782000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":134782000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":107296000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":107296000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":95442000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":95442000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-11854000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-11854000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":102900000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":102900000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":7458000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":7458000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":167816000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":167816000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":167816000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":167816000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":56606000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":56606000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":43380000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":43380000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-13226000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-13226000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-20189000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-20189000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-63569000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-63569000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-34135000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-34135000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-34135000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-34135000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":146659000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":146659000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":19540000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":19540000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-127119000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-127119000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-44180000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-44180000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-63720000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-63720000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":12853000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":12853000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":12853000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":108475000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":108475000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":88936000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":88936000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-19539000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-19539000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":41672000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":41672000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-47264000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-47264000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":90936000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":90936000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":90936000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":132079000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":132079000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":127306000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":127306000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-4773000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-4773000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":96193000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":96193000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-31113000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-31113000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":171667000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":171667000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":167437000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":167437000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":151453000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":151453000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-15984000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-15984000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":113237000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":113237000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-38216000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-38216000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":226582000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":169624000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":128808000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-40816000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":102314000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-26494000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":76951000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":36677000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":4989000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":34650000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-2027000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":58301000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":58301000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":31568000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":31568000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":40109000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":40109000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":8541000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8541000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":8541000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":41550000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":41550000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1441000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1441000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1441000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":67285000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":67285000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":67285000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":25735000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":51831000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":51831000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":51831000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":51831000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":58076000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":58076000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":6245000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":6245000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":6245000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":6245000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":52873000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":52873000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5203000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5203000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-5203000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5203000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":89859000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":89859000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":89859000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":36986000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":36986000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":54211000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":54211000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":54211000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":54211000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":65043000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":65043000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10832000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":10832000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":10832000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10832000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":67207000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":67207000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":2164000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":2164000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":2164000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":2164000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":92776000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":92776000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":92776000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":25569000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":25569000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":43337000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":43337000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":43337000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":43337000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":44253000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":44253000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":916000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":916000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":916000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":916000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":43032000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":43032000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-1221000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-1221000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-1221000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-1221000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":82389000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":82389000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":82389000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":39357000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":39357000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":48211000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":48211000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":48211000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":48211000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":57912000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":57912000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":9701000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":9701000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":9701000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":9701000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":53636000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":53636000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-4276000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-4276000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-4276000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-4276000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":97628000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":97628000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":97628000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":43992000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":43992000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":53853000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":53853000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":53853000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":53853000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":67194000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":67194000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":13341000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":13341000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":13341000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":13341000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":54662000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":54662000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-12532000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-12532000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-12532000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-12532000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":105610000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":105610000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":50948000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":50948000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":68187000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":68187000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":68187000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":63389000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":63389000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-4798000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-4798000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-4798000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":73053000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":73053000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":9664000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":9664000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":9664000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":119061000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":46008000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":37747000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":37747000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":30135000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":30135000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-7612000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-7612000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-7413000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-7413000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-37548000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-37548000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":111306000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":111306000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":111306000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17513000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":17513000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93793000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93793000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93793000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-28129000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-28129000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45642000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45642000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45642000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":17903000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":46032000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":85699000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":85699000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":85699000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":85699000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":72395000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":72395000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13304000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-13304000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-13304000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13304000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37649000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":37649000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-34746000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-34746000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-34746000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-34746000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":77189000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":77189000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":39540000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":39540000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":101100000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":101100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":101100000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":98522000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":98522000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2578000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-2578000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-2578000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88178000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":88178000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-10344000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-10344000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-10344000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":157297000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":157297000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":69119000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":128798000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":128798000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":32138000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":32138000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96660000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-96660000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":6308000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":6308000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-25830000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-25830000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":88514000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":129414000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":110736000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18678000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":72965000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-37771000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromContinuingOperationsPerBasicShare":{"label":"Income (Loss) from Continuing Operations, Per Basic Share","description":"The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":2.6,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1.231,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":0.169,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":1.168,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.062,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.97,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1.97,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1.058,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":1.06,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1.344,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":1.344,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.286,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0.286,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.29,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1.392,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":1.392,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.048,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.048,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.05,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.86,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":1.734,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":1.73,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":1.734,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":1.73,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1.941,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1.941,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.209,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.21,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":0.209,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.21,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.765,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1.765,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.173,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-0.173,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":3,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":1.23,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":1.23,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":1.792,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":1.792,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2.145,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":2.145,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.356,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0.36,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.356,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.36,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2.203,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":2.2,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":3.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3.02,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.81,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.81,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":1.365,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":1.37,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":1.36,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1.37,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.389,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":1.39,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.029,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.35,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1.35,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.58,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2.58,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1.29,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":1.47,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":1.47,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.76,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.88,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.62,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.81,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2.95,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1.47,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1.47,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.31,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0.66,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.8,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.8,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.54,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1.54,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1.54,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1.54,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0.96,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.54,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0.54,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.69,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":1.28,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1.28,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0.81,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0.92,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-0.15,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0.6,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromContinuingOperationsPerDilutedShare":{"label":"Income (Loss) from Continuing Operations, Per Diluted Share","description":"The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":2.59,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1.227,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":0.168,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":1.164,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.062,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.96,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1.96,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1.055,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":1.06,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1.339,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":1.339,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.285,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0.285,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":0.29,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1.387,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":1.387,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.048,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.048,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0.05,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.25,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.86,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":1.728,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":1.73,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":1.728,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":1.73,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1.935,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1.935,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.208,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.21,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":0.208,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":0.21,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1.76,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1.76,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.173,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-0.173,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-0.17,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2.99,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.99,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.99,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":1.22,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":1.22,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":1.788,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":1.788,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":1.79,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2.14,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":2.14,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.355,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":0.36,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.355,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.36,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2.197,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":2.2,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":0.07,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":3.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3.01,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.81,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.81,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":1.362,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":1.36,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":1.36,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1.36,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.387,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":1.39,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.029,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0.03,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.35,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1.35,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.57,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2.57,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1.29,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":1.22,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":1.47,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":1.47,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0.74,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.76,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.88,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0.15,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.62,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.81,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-0.13,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-0.07,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2.94,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1.47,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1.47,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.3,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0.65,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0.79,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0.98,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0.19,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.8,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0.8,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-0.18,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1.53,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0.73,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0.95,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0.86,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-0.06,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0.97,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0.12,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1.56,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0.58,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0.38,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-0.1,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-0.09,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.47,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-0.04,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0.05,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":1.4,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0.21,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-1.12,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-0.34,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.53,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0.53,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0.94,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.79,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.14,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0.41,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.38,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0.84,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0.43,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":1.09,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":1.06,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-0.03,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0.92,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-0.1,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1.62,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.69,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":1.26,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1.26,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0.3,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-0.87,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0.06,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-0.23,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0.8,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.08,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0.9,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-0.15,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0.59,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-0.31,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity":{"label":"Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent","description":"Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-427000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-633000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-568000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-503000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-251000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-30000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":-47000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":-45000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-86000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":36000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-66000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":-26000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":-43000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-240000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-105000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share","description":"Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same.","units":{"USD/shares":[{"start":"2013-01-01","end":"2013-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-0.02,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.02,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-0.01,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-0.01,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-0.01,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-0.01,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share","description":"Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":-0.01,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-0.001,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-0.001,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-0.002,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.001,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-0.02,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-0.02,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-0.001,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-0.005,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":-0.005,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-0.003,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-0.003,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-0.009,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-0.009,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.004,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.004,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-0.02,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-0.02,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-0.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":-0.013,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":-0.013,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-0.019,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-0.019,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-0.006,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":-0.006,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-0.016,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-0.016,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.002,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":0.002,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":-0.004,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":-0.004,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-0.021,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":-0.021,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-0.016,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-0.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":-0.016,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-0.025,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":-0.02,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-0.005,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-0.015,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-0.02,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-0.015,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-0.02,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-0.001,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.02,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-0.02,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-0.03,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-0.03,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-0.01,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-0.01,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-0.02,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share","description":"Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":-0.01,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-0.002,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-0.001,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-0.002,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-0.001,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-0.02,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-0.02,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-0.001,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-0.004,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":-0.004,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-0.003,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-0.003,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-0.009,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-0.009,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.004,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.004,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-0.03,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-0.03,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-0.03,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":-0.013,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":-0.013,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-0.018,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-0.018,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-0.006,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-0.01,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":-0.006,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-0.016,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-0.016,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0.002,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":0.002,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":-0.005,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":-0.005,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-0.021,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":-0.021,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-0.016,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-0.02,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":-0.016,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-0.026,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":-0.03,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-0.005,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-0.04,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":-0.01,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-0.014,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-0.01,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-0.01,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-0.016,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-0.02,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-0.001,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.02,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-0.02,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-0.02,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-0.02,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":-0.01,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-0.01,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-0.01,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-0.02,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-0.01,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0.01,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Equity Method Investments","description":"Amount of income (loss) for proportionate share of equity method investee's income (loss).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":176000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-933000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":1502000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-1247000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-314000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-926000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-926000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-1148000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-2575000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":-2575000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":-1427000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-1427000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-3470000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-3470000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-895000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-895000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-3051000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-3051000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-3051000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":703000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":703000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-58000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-58000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":-761000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-761000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-493000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-493000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-435000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-435000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-810000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-810000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-810000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":207000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":207000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1247000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":1247000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":1040000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":1040000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2512000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":2512000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":1265000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":1265000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":2239000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2239000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2239000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-31000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-31000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":601000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":601000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":632000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":632000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1246000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":1246000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":645000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":645000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1585000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1585000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1585000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2286000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":2286000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1383000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":1383000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-903000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-903000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-3756000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-3756000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-5139000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-5139000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-7785000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-7785000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-7785000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":455000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":455000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-15389000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-15389000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-15844000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-15844000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-17970000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-17970000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-2581000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-2581000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-27812000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-27812000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-27812000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-27812000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":158000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":158000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":25000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":25000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-133000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-133000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":5038000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":5038000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":5013000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":5013000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3011000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":3011000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3081000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":3081000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":70000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":70000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":4337000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":4337000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":1256000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1256000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":5794000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":5794000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":5794000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":5794000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1062000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1062000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2416000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":2416000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1354000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1354000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3845000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":3845000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":1429000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":1429000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":5611000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":5611000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":5611000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2173000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":2173000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3762000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":3762000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":1589000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":1589000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":5355000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":5355000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1593000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":1593000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":7314000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":7314000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":7314000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2391000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":2391000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4408000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":4408000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":2017000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":2017000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":5710000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":5710000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":1302000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1302000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":8294000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":8294000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3130000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":3130000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-82248000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":-82248000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-85378000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-85378000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-81589000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-81589000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":659000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":659000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5467000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":456000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":527000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":71000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-761000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-1288000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":51948000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":23274000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":3056000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":20068000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-3206000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":34302000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":34078000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":21971000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":21971000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":22236000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":22236000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":265000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":265000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":265000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":14809000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":14809000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-7427000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-7427000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-7427000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":28811000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":28474000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":28474000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":14002000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":22510000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":22510000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":22510000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":22510000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":25514000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":25514000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":3004000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":3004000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":3004000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":3004000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":19480000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":19480000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-6034000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-6034000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-6034000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-6034000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22200000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":22200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":22200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":3022000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":3022000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":15884000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":15884000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":15884000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":15884000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":14812000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":14812000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-1072000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-1072000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":-1072000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-1072000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":12236000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":12236000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-2576000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-2576000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":-2576000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-2576000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":10850000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":10850000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11479000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":-757000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":-757000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":7772000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":7772000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":7772000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":7772000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3860000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-3860000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-11632000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-11632000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":-11632000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-11632000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-9393000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-9393000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-5533000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-5533000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-5533000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-5533000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-19440000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-19014000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-19014000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-9621000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":-9621000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":11869000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":11869000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":11869000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":11869000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2359000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":2359000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-9510000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":-9510000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":-9510000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-9510000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-5966000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-5966000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-8325000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-8325000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-8325000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-8325000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":4449000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":4449000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":4449000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":10415000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":10415000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":16613000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":16613000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":16613000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":16613000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":13334000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":13334000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-3279000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-3279000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":-3279000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":-3279000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":2366000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":2366000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-10968000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-10968000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-10968000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-10968000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1360000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1360000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1360000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1360000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-1006000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":-1006000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":39267000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":39267000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":39267000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":39267000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":39267000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":32078000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":32078000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-7189000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-7189000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-7189000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-7189000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-7189000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":34885000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":34885000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":2807000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":2807000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":2807000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":2807000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":2807000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":54151000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":54151000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":54151000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":54151000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":19266000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":19266000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":19266000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":21870000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":21870000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":21870000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":21870000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":21870000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":16326000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":16326000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-5544000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-5544000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-5544000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-5544000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-5544000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-8439000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-8439000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-24765000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-24765000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-24765000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-24765000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-24765000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-24937000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-24937000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-24937000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-24937000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-16498000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":-16498000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":-16498000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":36415000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":36415000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":36415000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":36415000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4443000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":4443000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-31972000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-31972000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-31972000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-31972000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-12206000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-12206000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-16649000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-16649000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-16649000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-16649000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":561000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":561000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":561000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":12767000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":12767000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":24949000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":24949000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":24949000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":24949000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":20303000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":20303000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-4646000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-4646000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-4646000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-4646000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":9378000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":9378000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-10925000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-10925000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-10925000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-10925000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":21061000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":21061000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":21061000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":11683000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":11683000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":33370000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":33370000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":33370000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":33192000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":33192000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-178000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-178000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-178000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":13725000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":13725000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-19467000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-19467000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-19467000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":22664000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":22664000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":8939000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":41769000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":41769000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":37067000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":37067000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-4702000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-4702000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":25340000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":25340000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-11727000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-11727000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":47107000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":40666000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":18599000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-22067000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":28588000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":9989000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"IncomeTaxExpenseBenefitContinuingOperations":{"label":"Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)","description":"The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":34302000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":28811000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":28811000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":22502000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":22502000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":22502000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11479000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":11479000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-19014000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"}]}},"IncomeTaxExpenseBenefitIntraperiodTaxAllocation":{"label":"Income Tax Expense (Benefit), Intraperiod Tax Allocation","description":"Amount of income tax expense (benefit) for continuing operations, discontinued operations, other comprehensive income, and items charged (credited) directly to shareholders' equity.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":10850000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-19440000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-19440000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4137000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":4137000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":4137000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1103000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1103000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1103000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1103000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":54018000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":54018000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":54018000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":54018000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-25110000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-25110000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-25110000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-25110000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":499000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":499000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":499000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":20991000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":20991000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":20991000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":22598000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":22598000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":47121000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":35363000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":11844000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":11844000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":12120000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":12120000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":12120000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-9861000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-9861000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-9861000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":218000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":218000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":218000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-12387000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-12387000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-12387000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":6858000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":6858000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":6858000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1828000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1828000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1828000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1828000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":194000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":194000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":194000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":194000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-8348000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-8348000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-8348000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-8348000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-20004000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-20004000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-20004000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-10639000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-10639000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-10639000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-4336000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-4336000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-301000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends":{"label":"Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend paid to employee stock ownership plan.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":894000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":971000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":971000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1063000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1063000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1063000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1141000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1141000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1141000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1176000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1176000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1176000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1232000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1232000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1232000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1298000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":1298000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":1298000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":1298000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1300000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1300000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1300000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1300000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1314000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1314000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1314000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1314000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":791000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":791000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":791000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":697000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":697000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":697000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":627000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":627000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":608000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":7392000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":7392000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":15069000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxReconciliationChangeInEnactedTaxRate":{"label":"Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-13521000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-13521000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-13521000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-13521000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-588000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-588000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-588000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount","description":"The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":32492000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":33634000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":33634000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":39326000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":39326000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":39326000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":36490000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":36490000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":36490000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":22181000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":22181000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":22181000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":35727000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":35727000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":35727000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":37440000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":37440000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":37440000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":37440000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":60624000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":60624000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":60624000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":60624000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-9915000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-9915000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-9915000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-9915000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3877000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3877000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3877000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":20633000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":20633000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":20633000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":37791000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":37791000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":28481000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depreciation and amortization.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":664000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":664000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":664000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":526000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":526000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":526000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"}]}},"IncomeTaxReconciliationOtherReconcilingItems":{"label":"Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-65000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":232000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":232000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-821000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-92000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-92000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-1818000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-1818000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-1818000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":347000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":347000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":347000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-6000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-6000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-6000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-6000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-5000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-5000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-5000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-5000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":795000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":795000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":795000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":795000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":262000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":262000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":262000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-714000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-714000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-714000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1726000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1726000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1001000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":6079000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":5669000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":5669000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":6763000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":6763000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":6763000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":5857000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":5857000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":5857000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":971000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":971000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":971000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1960000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1960000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1960000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":3985000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":3985000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":3985000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":3985000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6438000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":6438000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":6438000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":6438000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2778000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2778000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":2778000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2778000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":622000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":622000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":622000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":7813000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":7813000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":7813000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":7896000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":7896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":11666000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncomeTaxReconciliationTaxCreditsInvestment":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":314000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":310000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":310000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":302000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":302000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":302000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":287000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":287000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":287000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":258000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":258000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":258000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":211000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":211000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":211000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":149000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":149000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":149000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":149000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":12000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":12000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":12000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":12000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":21300000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":21300000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":2700000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":2700000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":2300000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":2300000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":11900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":10900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":11900000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"IncomeTaxReconciliationTaxCreditsOther":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":3660000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":10107000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":10107000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":21927000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":21927000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":21927000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":26574000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":26574000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":26574000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":38179000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":38179000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":38179000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":30661000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":30661000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":30661000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":37503000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":37503000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":37503000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":37503000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":10706000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":10706000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":10706000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":10706000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":666000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":666000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":666000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":666000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":93000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":93000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":93000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":953000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":953000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":953000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":23439000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":23439000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":5993000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncreaseDecreaseInAccountsPayableAndAccruedLiabilities":{"label":"Increase (Decrease) in Accounts Payable and Accrued Liabilities","description":"The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":14018000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-8213000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-8213000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":37595000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":37595000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":37595000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-6131000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-6131000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-6131000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":18829000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18829000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18829000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":49444000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":49444000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":49444000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":27429000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":27429000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":27429000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-103410000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-103410000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-103410000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-103410000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":112199000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":112199000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":112199000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":112199000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":58858000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":58858000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":58858000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":58858000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":114371000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":114371000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":114371000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-137717000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-137717000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-137717000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":49981000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":49981000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":80715000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncreaseDecreaseInAccountsReceivable":{"label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-14293000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-28003000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":28003000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-76634000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":76634000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":76634000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-90407000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-90407000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-90407000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":59701000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":59701000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":59701000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":67825000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":67825000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":67825000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":14323000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":14323000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":14323000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-92624000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-92624000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-92624000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-92624000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":67160000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":67160000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":67160000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":67160000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-21000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-21000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-21000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-21000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":106283000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":106283000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":106283000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-92614000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-92614000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-92614000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":48576000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":48576000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":85911000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncreaseDecreaseInContractWithCustomerAsset":{"label":"Increase (Decrease) in Contract with Customer, Asset","description":"Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":6161000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"IncreaseDecreaseInDeferredGasCost":{"label":"Increase (Decrease) in Deferred Gas Cost","description":"The increase (decrease) during the reporting period in carrying amount of capitalized gas costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":5885000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-7910000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":7910000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":22492000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-22492000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-22492000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":37343000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":37343000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":37343000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-25050000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-25050000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-25050000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-5473000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-5473000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-5473000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":44976000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":44976000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":44976000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-28648000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-28648000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-28648000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-28648000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-11753000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-11753000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-11753000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-11753000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":28092000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":28092000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":28092000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":28092000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":46495000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":46495000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-9712000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"IncreaseDecreaseInEnergyTradingActivity":{"label":"Increase (Decrease) in Energy Trading Activity","description":"The increase (decrease) during the reporting period in the value of long term assets generated by energy trading activities, which involve the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts which include exchange futures and options and over the counter options and swaps.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-17564000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":12366000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-12366000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-9645000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":9645000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":9645000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-740000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-740000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-740000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-306000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-306000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-306000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-1500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-1500000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-1500000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-169000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-169000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-169000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":8069000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":8069000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":8069000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":8069000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-6723000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-6723000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-6723000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-6723000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-899000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-899000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-899000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-899000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-5208000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-5208000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-6942000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"IncreaseDecreaseInInventories":{"label":"Increase (Decrease) in Inventories","description":"The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-48599000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":68591000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-68591000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":32421000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-32421000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-32421000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-1905000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-1905000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-1905000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-13481000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-13481000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-13481000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2449000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2449000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2449000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4787000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":4787000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":4787000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-9226000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-9226000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-9226000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-9226000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-387000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-387000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-387000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-387000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-5589000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-5589000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-5589000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-5589000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-566000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-566000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-6177000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"IncreaseDecreaseInMarginDepositsOutstanding":{"label":"Increase (Decrease) in Margin Deposits Outstanding","description":"The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-4112000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"}]}},"IncreaseDecreaseInOtherOperatingCapitalNet":{"label":"Increase (Decrease) in Other Operating Assets and Liabilities, Net","description":"Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-8931000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-345000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":345000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-3515000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":3515000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-4485000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2245000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2245000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2245000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":4211000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4211000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4211000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3769000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":3769000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":3769000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":5444000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":5444000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":5444000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-8860000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-8860000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-8796000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-8796000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-4090000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-4477000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-4477000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-4477000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6989000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":6989000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":6989000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6989000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":26999000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":26999000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":12704000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":59488000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":52540000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":13988000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":17583000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-26733000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":51570000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"IncreaseDecreaseInPensionAndPostretirementObligations":{"label":"Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits","description":"Amount of increase (decrease) in obligation for pension and other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.","units":{"USD":[{"end":"2018-07-01","val":7200000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q2I"},{"start":"2018-01-01","end":"2018-12-31","val":3200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3200000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"IntangibleAssetsNetExcludingGoodwill":{"label":"Intangible Assets, Net (Excluding Goodwill)","description":"Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-12-31","val":21553000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":21553000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":21553000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":21553000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":21553000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":21850000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":16209000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":16103000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":15820000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15537000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":15255000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":14973000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12480000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":12480000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":12480000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":12480000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":12240000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":12000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"InterestCostsCapitalized":{"label":"Interest Costs Capitalized","description":"Amount of interest capitalized during the period.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":1200000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":8700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":8700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":8700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":4600000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":4600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":4900000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":4900000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":4900000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":4900000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":6600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":6600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":6600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":2000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":2500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":2500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":2500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":6000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":6000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":6000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":7100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":7100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":5700000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":25676000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":9005000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":4112000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":14303000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":5298000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":18992000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":18992000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":4966000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":10630000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":10630000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":5664000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":5664000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":16906000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":16906000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":6276000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":6276000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":21896000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":21896000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":21896000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":5981000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":5981000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":12215000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":12215000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":6234000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":6234000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":18457000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":18457000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":6242000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":6242000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":24078000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":24078000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":24078000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":5493000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":5493000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":10688000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":10688000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":5195000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":5195000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":16669000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":16669000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":5981000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":5981000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":18986000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18986000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18986000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4708000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":4708000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":8128000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":8128000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":3420000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":3420000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":12521000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":12521000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":4393000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":4393000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":18825000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":18825000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":18825000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":7084000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":7084000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":13930000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":13930000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":6846000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":6846000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":20698000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":20698000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":6768000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":6768000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":29560000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":29560000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":29560000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":8601000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":8601000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":16075000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":16075000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":7474000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":7474000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":24182000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":24182000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":8107000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":8107000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":31622000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":31622000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":31622000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":31622000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":9160000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":9160000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":17389000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":17389000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":8229000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":8229000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":24744000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":24744000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":7355000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":7355000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":31449000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":31449000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":31449000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":31449000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":16745000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":16745000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":27724000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":27724000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":10979000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":10979000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":38291000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":38291000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":10567000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":10567000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":54019000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":54019000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":54019000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":54019000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":13972000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":13972000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":33533000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":33533000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":19561000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":19561000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":60067000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":60067000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":26534000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":26534000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":90296000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":90296000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":90296000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":28653000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":28653000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":57087000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":57087000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":28434000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":28434000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":85944000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":85944000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":28857000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":28857000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":114477000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":114477000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":114477000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":32536000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":32536000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":61125000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":61125000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":28589000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":28589000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88887000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":88887000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":27762000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":27762000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":118534000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":118534000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":31459000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":31459000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":62644000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":62644000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":31185000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":31185000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":94112000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":94112000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":31468000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":31468000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":127130000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":31579000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":63140000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":31561000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":101618000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":38478000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":-24182000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-8107000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-9160000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-17389000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-8229000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-24744000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-24744000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-7355000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":-7355000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-16745000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-16745000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-27724000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-27724000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-10979000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-10979000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-38291000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-38291000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-10567000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-10567000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-54019000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-13972000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-13972000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-33533000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":-33533000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-19561000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-19561000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-60067000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-60067000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-26534000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-26534000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-90296000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-90296000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-28653000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-28653000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-57087000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-57087000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-28434000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-28434000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-85944000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-85944000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-28857000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-28857000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-114477000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-114477000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-114477000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-32536000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-32536000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-61125000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-61125000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-28589000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-28589000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-88887000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-88887000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-27762000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-27762000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-118534000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-118534000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-31459000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-62644000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-31185000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-94112000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-31468000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-127130000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"InterestPaidNet":{"label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","description":"Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":24253000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":20519000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":20519000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":21850000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":21850000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":21850000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":25303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":25303000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":25303000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":18442000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18442000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18442000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":18584000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":18584000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":18584000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":28854000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":28854000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":28854000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":30915000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":30915000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":30915000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":30915000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":32372000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":32372000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":32372000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":32372000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":51456000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":51456000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":51456000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":51456000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":84792000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":84792000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":84792000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":114015000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":114015000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":114015000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":108901000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":108901000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":122070000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"InterestPayableCurrent":{"label":"Interest Payable, Current","description":"Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2009-12-31","val":6211000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":6211000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6211000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":6356000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":5065000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":7259000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":7259000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":7259000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":7259000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":7259000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":5322000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":7183000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5066000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":6408000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":6408000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":6408000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":6408000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":6408000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":4905000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":6224000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5241000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":6635000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":6635000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":6635000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":6635000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":6635000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":6142000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":7629000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":5361000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":6363000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":6363000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":6363000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":6363000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":6363000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6219000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6861000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6744000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7088000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":7088000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":7088000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":7088000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":7088000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6578000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7122000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6121000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7316000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":7316000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":7316000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":7316000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":7316000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6108000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7176000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5968000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":6231000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":7189000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4836000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6841000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":9079000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":7790000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13016000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":12125000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":14208000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":14208000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":14208000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":14208000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":14208000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13962000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":13895000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":18242000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13580000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":13580000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":13580000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":13580000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":13580000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":19305000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":16455000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":27187000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":21140000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":21140000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":21140000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":21140000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":21140000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":31664000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":23384000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":36442000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":23611000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":23611000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":23611000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":23611000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":37580000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":22051000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":37160000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet":{"label":"Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net","description":"The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.","units":{"USD":[{"start":"2017-01-01","end":"2017-03-31","val":-2400000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-03-01","end":"2017-03-31","val":-2400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-03-01","end":"2017-03-31","val":-2400000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q1I"},{"start":"2017-01-01","end":"2017-06-30","val":-2400000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":-2400000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":-2400000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-2400000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-2400000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":-2400000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"InventoryRawMaterialsAndSupplies":{"label":"Inventory, Raw Materials and Supplies, Gross","description":"Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.","units":{"USD":[{"end":"2009-12-31","val":6877000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":6877000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6877000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":4340000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":4491000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":3796000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":3796000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":3796000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":3796000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":3796000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":4037000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":3879000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":3656000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2794000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2794000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2794000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2794000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2794000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2918000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2888000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2729000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2618000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2618000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":2618000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":2618000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":2618000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2609000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2647000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2758000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2798000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":2798000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":2798000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":2798000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":2798000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2851000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2804000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2125000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":2125000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2125000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2125000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":2125000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2112000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2123000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1937000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5088000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":5088000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":5088000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":5088000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":5088000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6762000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6815000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6798000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":6753000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6916000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6965000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6594000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":4239000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4233000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4200000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4574000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1743000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1743000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1743000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1743000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1743000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1744000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1751000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1798000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1164000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1164000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1164000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1164000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1164000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1146000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1139000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1061000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2561000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":2561000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":2561000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":2561000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":2561000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1749000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1479000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1066000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1053000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1053000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1053000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1053000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1082000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1633000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1571000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"Investments":{"label":"Investments","description":"Sum of the carrying amounts as of the balance sheet date of all investments.","units":{"USD":[{"end":"2009-12-31","val":13656000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":13656000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":13656000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":24305000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":39976000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":23114000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":23114000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":23114000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":23114000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":23114000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":41565000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":42961000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":45821000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":57150000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":57150000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":57150000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":57150000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":57150000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":78321000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":78510000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":89978000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":101266000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":101266000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":101266000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":101266000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":101266000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":95095000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":118030000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":110256000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":130104000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":130104000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":130104000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":130104000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":130104000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":124823000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":127317000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":129808000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":142724000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":142724000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":142724000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":142724000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":142724000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":143622000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":120843000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":110973000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":80551000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":80551000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":80551000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":80551000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":80551000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":73107000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":75505000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":83817000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":42566000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":40228000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":51853000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":59814000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":94204000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":83719000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":83126000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":84849000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":77812000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":77812000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":77812000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":77812000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":77812000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":86933000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":100819000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":100474000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":109091000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":109091000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":109091000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":109091000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":109091000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":111686000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":102765000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":93184000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":114048000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":114048000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":114048000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":114048000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":114048000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":114450000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":32575000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":36223000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":39232000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":39232000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":39232000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":39232000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":54005000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":72542000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":106337000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LeaseCost":{"label":"Lease, Cost","description":"Amount of lease cost recognized by lessee for lease contract.","units":{"USD":[{"start":"2019-01-01","end":"2019-09-30","val":3387000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":987000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3125000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":1502000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":582000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2107000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":2107000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":993000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"LesseeOperatingLeaseLiabilityPaymentsDue":{"label":"Lessee, Operating Lease, Liability, to be Paid","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease.","units":{"USD":[{"end":"2019-03-31","val":2825000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2376000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1935000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1926000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2138000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1988000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1678000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2036000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":31274000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, after Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":114000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":114000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":114000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":105000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":117000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-12-31","val":180000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":25614000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year One","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":1209000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-06-30","val":534000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":534000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":653000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1127000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":34000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":34000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":34000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":12000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":140000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-12-31","val":150000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":896000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFour":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Four","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":65000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":65000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":65000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":34000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":166000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":165000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":165000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":281000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1130000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearThree":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Three","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":233000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":233000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":233000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":190000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":323000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":190000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":190000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":307000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1245000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearTwo":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Two","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":1081000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1080000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1075000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":376000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":508000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":348000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":348000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":465000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1262000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear":{"label":"Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.","units":{"USD":[{"end":"2019-03-31","val":1298000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":850000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":414000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2020-03-31","val":884000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":515000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":206000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"LesseeOperatingLeaseLiabilityUndiscountedExcessAmount":{"label":"Lessee, Operating Lease, Liability, Undiscounted Excess Amount","description":"Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.","units":{"USD":[{"end":"2019-03-31","val":100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":82000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":64000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":75000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":108000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":109000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":109000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":119000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":14462000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceived":{"label":"Lessor, Operating Lease, Payments to be Received","description":"Amount of lease payments to be received by lessor for operating lease.","units":{"USD":[{"end":"2019-06-30","val":42720000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":41371000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedFiveYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Five","description":"Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":5396000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5396000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedFourYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Four","description":"Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":5396000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5396000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear":{"label":"Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year","description":"Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":2698000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1349000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedThereafter":{"label":"Lessor, Operating Lease, Payment to be Received, after Year Five","description":"Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":13042000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":13042000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedThreeYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Three","description":"Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":5396000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5396000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LessorOperatingLeasePaymentsToBeReceivedTwoYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Two","description":"Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":5396000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5396000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LettersOfCreditOutstandingAmount":{"label":"Letters of Credit Outstanding, Amount","description":"The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.","units":{"USD":[{"end":"2011-06-30","val":102900000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":83000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":83000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":19500000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":18900000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":32000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":31900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":22600000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":27600000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":27800000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":26800000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":17200000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":17200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":13700000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":13600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":13600000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13100000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-12-31","val":8100000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4800000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2009-12-31","val":1782008000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":1782008000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1782008000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1834349000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1926109000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":2076615000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":2076615000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":2076615000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":2019133000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":2061579000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2083026000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2247510000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2247510000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2247510000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2260375000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2325991000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2405279000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":2631440000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2628271000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2654497000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2707995000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":2924855000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3019801000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3006538000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3043683000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":3349425000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3376722000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3378946000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3399508000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3480900000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":3471933000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3493984000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3522581000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3557116000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":3730567000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3747352000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3741860000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3740066000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":3865086000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3890080000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5509497000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5914522000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5956577000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5863362000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":6028262000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6130053000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":6365340000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6294490000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6216954000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6308923000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":6689148000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6714508000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":6833109000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7024011000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":7308672000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7456826000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7660601000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7917948000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LiabilitiesCurrent":{"label":"Liabilities, Current","description":"Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":478784000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":478784000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":478784000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":456190000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":605015000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":640524000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":640524000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":640524000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":640524000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":640524000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":456809000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":472743000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":501849000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":587971000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":587971000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":587971000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":587971000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":587971000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":582792000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":531841000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":552845000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":651844000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":651844000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":651844000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":651844000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":651844000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":597005000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":632339000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":709676000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":764973000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":764973000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":764973000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":764973000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":764973000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":812723000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":701414000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":604128000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":850185000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":850185000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":850185000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":850185000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":850185000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":821621000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":834550000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":806961000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":832476000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":832476000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":832476000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":832476000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":832476000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":698003000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":758433000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":812397000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":952624000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":681023000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":734119000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":684170000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":883082000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":924180000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2114818000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2471154000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1580838000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1580838000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1580838000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1580838000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1580838000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1205055000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1646068000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1607750000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1731895000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1731895000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1731895000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1731895000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1731895000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1565679000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":926204000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1103705000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1163632000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1163632000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1163632000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1163632000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1163632000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":752699000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":589601000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":818780000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":955682000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":955682000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":955682000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":955682000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":808791000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1119399000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1086558000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LiabilitiesNoncurrent":{"label":"Liabilities, Noncurrent","description":"Amount of obligation due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":445867000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":445867000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":445867000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":452220000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":479876000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":525994000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":525994000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":525994000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":525994000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":525994000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":550843000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":556166000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":561491000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":611212000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":611212000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":611212000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":611212000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":611212000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":583391000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":580000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":590238000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":641982000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":641982000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":641982000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":641982000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":641982000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":652075000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":650165000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":660442000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":652482000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":652482000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":652482000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":652482000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":652482000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":631636000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":627830000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":640181000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":707317000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":707317000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":707317000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":707317000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":707317000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":724125000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":714928000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":708328000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":604491000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":604491000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":604491000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":604491000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":604491000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":655571000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":655512000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":668636000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":680698000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":679133000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":661812000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":654227000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":666596000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":709654000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":687160000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":927536000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1001854000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1001854000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1001854000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1001854000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1001854000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1025850000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1107171000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1082736000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1139574000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1139574000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1139574000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1139574000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1139574000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1164382000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1058043000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1041633000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1082240000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1082240000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1082240000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1082240000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1082240000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1155173000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1171331000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1173318000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1164540000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1164540000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1164540000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1164540000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1267536000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1225868000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1200853000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation":{"label":"Disposal Group, Including Discontinued Operation, Liabilities","description":"Amount classified as liabilities attributable to disposal group held for sale or disposed of.","units":{"USD":[{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent":{"label":"Disposal Group, Including Discontinued Operation, Liabilities, Current","description":"Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6043000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":6043000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":6043000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":6043000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":6043000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5804000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5862000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"LineOfCreditFacilityAverageOutstandingAmount":{"label":"Line of Credit Facility, Average Outstanding Amount","description":"Average amount borrowed under the credit facility during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":169400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":179600000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":110100000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":213900000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":192400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":192400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":209200000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":209200000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":156900000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":156900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":351600000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":351600000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":376200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":376200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":366700000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":366700000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":355300000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":355300000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":317300000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":317300000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":275300000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":275300000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":297200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":297200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":325600000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":325600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":332200000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":332200000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":320200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":320200000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":291600000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":291600000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":267000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":267000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":274100000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":274300000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":310800000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":335000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":335000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":321900000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":321900000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":321900000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":276700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":276700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":276700000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":265500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"LineOfCreditFacilityCurrentBorrowingCapacity":{"label":"Line of Credit Facility, Current Borrowing Capacity","description":"Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.","units":{"USD":[{"end":"2011-06-30","val":-297862000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":345845000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":404408000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":364208000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":342200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":347400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":370800000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":271000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":323300000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":405300000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":380700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":341500000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":223900000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":163100000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":259300000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":286000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":379100000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":360100000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":442000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":301700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":353800000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":353800000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":277400000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"LineOfCreditFacilityInterestRateDuringPeriod":{"label":"Line of Credit Facility, Interest Rate During Period","description":"The effective interest rate during the reporting period.","units":{"pure":[{"start":"2009-01-01","end":"2009-12-31","val":0.0077,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0.0073,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":0.0079,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":0.0099,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.0099,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0.0098,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.0143,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.0143,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.0108,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":0.0108,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":0.0112,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.0112,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.0112,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0.0106,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":0.0106,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.0095,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":0.0095,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":0.0097,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":0.0097,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.011,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.011,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.011,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0.0102,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":0.0102,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.0098,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0.0098,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":0.0098,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":0.0098,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":0.0104,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0.0104,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.0104,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.0106,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0.0106,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.0116,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0.0116,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.0083,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0.0083,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0.0083,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.0083,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0.0083,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.0088,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.0096,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":0.0103,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":0.0113,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0.0113,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0.0113,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0.0113,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0147,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0.0147,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0.0147,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0.0147,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0246,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0.0246,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0.0246,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.0332,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod":{"label":"Line of Credit Facility, Maximum Amount Outstanding During Period","description":"Maximum amount borrowed under the credit facility at any time during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":216500000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":264200000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":317500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":258400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":258400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":258400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":271400000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":271400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":337500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":337500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":377800000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":377800000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":462200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":462200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":462200000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":462200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":462200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":462200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":369500000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":369500000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":369500000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":369500000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":389400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":389400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":459000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":459000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":390700000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":390700000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":390700000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":390700000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":390700000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":390700000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":390700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":390700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":329400000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":368100000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":432400000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":471100000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":471100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":467700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":467700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":467700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":373800000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":373800000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":373800000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":431000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":397300000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":516900000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":497000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":404800000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-12-31","val":497000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":404800000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":687200000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":687200000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":882700000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":882700000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":907500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":907500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":872200000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":872200000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":872200000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":872200000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":570300000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":872200000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":872200000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":546700000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":872200000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":872200000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":452900000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":452900000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":452900000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":452900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":177100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":177100000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":452900000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":452900000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":159800000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":159800000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":452900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":375300000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":375300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":331300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":375300000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":366800000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"LineOfCreditFacilityMaximumBorrowingCapacity":{"label":"Line of Credit Facility, Maximum Borrowing Capacity","description":"Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.","units":{"USD":[{"end":"2011-06-30","val":550437000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":550437000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":550000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":540000000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":560000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":560000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":560000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":660000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":660000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":660000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":610000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":610000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":610000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":610000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":610000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":610000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":610000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":610000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":610000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-09-30","val":50000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2016-09-30","val":50000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":660000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":660000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":660000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":860000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"LineOfCreditFacilityRemainingBorrowingCapacity":{"label":"Line of Credit Facility, Remaining Borrowing Capacity","description":"Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).","units":{"USD":[{"end":"2011-06-30","val":252575000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":204592000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":145592000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":175792000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":217800000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":212600000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":189200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":389000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":336700000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":254700000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":229300000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":268500000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":386100000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":446900000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":350700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-03-31","val":324000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":230900000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":249900000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":168000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":358300000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":306200000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":306200000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":582600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"LitigationReserve":{"label":"Estimated Litigation Liability","description":"Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.","units":{"USD":[{"end":"2010-12-31","val":4200000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":2900000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2900000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2900000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2900000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2900000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3100000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":3100000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":3200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":3100000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":3100000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3100000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2900000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":3000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":3000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":3000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":3000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2900000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2900000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2900000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":2900000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2900000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2900000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":2900000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3200000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3200000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3200000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3200000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3200000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":3200000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":3200000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3300000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3100000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3100000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":3100000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3200000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3000000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3000000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":3000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3100000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3100000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3100000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":3200000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2800000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2800000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":3100000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":3100000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":3100000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3200000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4100000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":4100000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":4100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":4100000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":4100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4300000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":13500000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":13600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":11300000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":11300000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":11300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":11300000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10800000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":10300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":18100000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LitigationSettlementExpense":{"label":"Litigation Settlement, Expense","description":"Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.","units":{"USD":[{"start":"2019-09-01","end":"2019-09-30","val":59300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-09-01","end":"2019-09-30","val":59300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3I"},{"start":"2019-10-01","end":"2019-10-31","val":22900000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2010-12-31","val":451400000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":426400000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":426400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":426400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":426400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":426400000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":426400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":541400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":591400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":626400000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":626400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":626400000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":626400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":626400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":626400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":626400000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":601400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":701400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":701400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":701400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":701400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":701400000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":731400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":890400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1009400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1009400000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":1009400000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1009400000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":1009400000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1009400000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":945400000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1015300000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1035848000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":1026900000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1026900000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":1026900000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":1035848000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1075600000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1075700000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1040600000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1047482000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1039900000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":1039900000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1039900000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1047482000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1047482000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1111200000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1082600000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1191200000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1204173000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1204173000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1186800000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":1190000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":1190000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":1204173000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1238600000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2770000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2760000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2867764000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":2840000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":2840000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":2840000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":2867764000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2450000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2280000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2360000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2568855000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":2540000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":2540000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":2537995000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":2568855000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2540000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2680000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2674441000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2950946000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":2919201000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":2919201000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":2919201000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":2950946000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3206195000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3268329000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3261945000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3293037000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtCurrent":{"label":"Long-term Debt, Current Maturities","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2009-12-31","val":35119000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":35119000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":35119000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":35000000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":121400000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":111400000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":111400000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":111400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":111400000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":111400000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":50000000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":25000000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2187000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2187000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2187000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2187000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2187000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2187000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":25000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":25000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":25000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":21000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":21000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":85000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":74000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":149909000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":85909000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":77909000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":28604000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":244605000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":231909000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":31909000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":15909000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10909000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":263809000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1368809000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1482734000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":333909000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":478909000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":338909000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":470409000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":117909000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":142809000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":142801000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":90976000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":66076000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":66076000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":66076000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":66076000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":66076000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":66076000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":31076000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":31075000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"LongTermDebtFairValue":{"label":"Long-term Debt, Fair Value","description":"The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2011-12-31","val":533400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":533400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":533400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q4I"},{"end":"2012-03-31","val":519800000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":655200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":706600000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":682300000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":682300000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":682300000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":674000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":649700000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":624700000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":713200000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":713200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":713200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q4I"},{"end":"2014-03-31","val":759300000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":932200000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1041900000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1058500000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1058500000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1058500000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1068900000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":986400000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1072300000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1079000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1079000000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":1079000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1143000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1154200000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1110400000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1080800000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":1080800000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1080800000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1127900000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1106700000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1161600000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1216100000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":1220000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":1220000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1257100000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2840000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2790000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2910000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":2910000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":2910000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2540000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2430000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2690000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2730000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":2730000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":2734745000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2590000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2730000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2836407000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3152224000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":3152224000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":3152224000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3302062000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3642329000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3604517000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":2187000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":25000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":21000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":149909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":29454000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":231909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":63809000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":733909000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":467909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":142801000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":66076000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":30097000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":31909000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":28000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":258909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":74476000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":52909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":66084000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":66084000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":40084000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":65084000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":66084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":41175000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":13096000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":27909000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":31909000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":38909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":260783000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":67909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":27909000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":27909000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":66084000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":40084000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":65084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":66084000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":23187000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":74909000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":27909000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":90909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":40667000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":258909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":67909000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":67909000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":405409000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":66084000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":40084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":65084000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":27188000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":21000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":74909000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":27909000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":172558000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":38909000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":458909000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":458909000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":377909000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":405409000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":66084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":40084000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2009-12-31","val":312793000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":312793000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":312793000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":371400000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":285000000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":340000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":340000000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":340000000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":340000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":340000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":401400000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":426400000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":424213000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":424213000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":424213000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":424213000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":424213000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":424213000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":426400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":541400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":566400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":601400000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":601400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":601400000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":601400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":601400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":601400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":601400000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":580400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":680400000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":680400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":680400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":680400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":680400000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":710400000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":805400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":935400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":859491000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":859491000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":859491000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":859491000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":859491000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":859491000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":859491000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":937391000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1006394000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":997427000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":997427000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":997427000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":997427000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1046968000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":831089000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":808704000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":808005000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1079298000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1066680000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1180319000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":1122999000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":974749000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1403802000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1281000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2106863000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":2106863000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":2106863000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":2106863000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":2106863000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2117903000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1798551000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2022780000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2070086000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":2070086000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":2070086000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":2070086000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":2070086000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2067146000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2566378000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2531632000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2776400000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":2776400000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":2776400000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":2776400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":2776400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3063394000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3177353000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3195869000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3189009000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":3189009000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":3189009000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":3189009000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3187571000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3177991000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3566763000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"MarginDepositAssets":{"label":"Margin Deposit Assets","description":"The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.","units":{"USD":[{"end":"2010-12-31","val":7100000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":7100000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":7100000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":3700000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":6300000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":17300000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":17300000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":17300000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":17300000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q4I"},{"end":"2012-03-30","val":21900000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":9500000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":7800000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":16600000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":16600000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":16600000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8700000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":30400000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":22400000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":41800000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":41800000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":41800000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q4I"},{"end":"2014-03-31","val":34300000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":38400000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":46500000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":63700000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":63700000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":63700000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q4I"},{"end":"2015-03-31","val":58900000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":51100000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":40800000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":43700000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":43700000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":43700000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":34700000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":35900000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":33200000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":11700000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":11700000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":11700000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":900000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1500000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5300000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":31600000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":31600000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":31600000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":16400000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10600000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1600000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1600000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1600000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7600000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":19000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":16300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"MinorityInterest":{"label":"Stockholders' Equity Attributable to Noncontrolling Interest","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).","units":{"USD":[{"end":"2009-12-31","val":963000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":963000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":963000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010Q4I"},{"end":"2019-12-31","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-09-30","val":4236000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5995000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":5995000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":5995000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":5995000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":5995000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6124000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":7425000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7457000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":10289000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":10289000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":10289000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":10289000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10337000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":10413000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":11619000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"MinorityInterestDecreaseFromRedemptions":{"label":"Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests","description":"Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":963000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-963000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":963000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"}]}},"MinorityInterestIncreaseFromStockIssuance":{"label":"Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31)","description":"Represents an increase in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":981000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"}]}},"NetCashProvidedByUsedInContinuingOperations":{"label":"Net Cash Provided by (Used in) Continuing Operations","description":"The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":262627000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":190321000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":143583000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":63662000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-82886000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":-74675000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":-62236000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-62236000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-48159000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":12569000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":12569000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":66868000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":66868000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":118012000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":118012000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":118012000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-78290000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":-78290000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-43186000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-43186000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":-5907000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-5907000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":37993000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":37993000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":37993000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":26030000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":26030000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":112673000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":112673000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":173571000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":173571000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":235191000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":235191000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":235191000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-83267000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":-83267000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-44805000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-44805000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":-745000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-745000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":85437000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":85437000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":85437000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5347000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":5347000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":42205000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":42205000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":99345000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":99345000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":214040000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":214040000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":214040000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":28557000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":28557000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":42704000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":42704000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":86900000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":86900000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":183564000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":183564000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":183628000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":183628000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-38460000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-38845000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-42705000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-42705000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-14290000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-14290000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-2667000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-3054000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-3054000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-3054000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-20772000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-20772000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":19313000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":19313000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":89752000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":89752000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":104728000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":104728000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":104728000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":104728000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-50340000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-50340000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1712807000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":1712807000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1760773000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1760773000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1637186000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1637186000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1637186000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-117145000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-117145000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":5697000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":5697000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":195259000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":195259000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":353298000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":353298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":353298000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-152191000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-152191000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-80913000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-80913000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":25040000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":25040000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":209562000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":209562000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-96098000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":-96098000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":73771000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":73771000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":143862000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":143862000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":359993000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-145507000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":15619000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":235713000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-95954000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-30132000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":-49461000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":-114906000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-114906000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-69009000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-115928000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":-115928000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":-189346000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-189346000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":-278566000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-278566000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-278566000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-46744000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":-46744000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-80337000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-80337000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":-129414000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-129414000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":-224175000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-224175000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-224175000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-72180000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":-72180000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-174791000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":-174791000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":-239225000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":-239225000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":-355917000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-355917000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-355917000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":24085000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":24085000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-20082000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":-20082000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":-122924000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-122924000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":-245792000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-245792000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-245792000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-50226000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":-50226000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-128295000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":-128295000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-208422000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-208422000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":-375019000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-375019000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-375019000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-60450000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-60450000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-145724000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-145724000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":-240899000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-240899000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":-370652000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-370652000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-387345000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-387345000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-59247000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-70112000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-115111000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":-125692000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-179079000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-184038000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-245168000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-280298000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-280298000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-280298000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-72753000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-72753000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-162917000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-162917000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":-229417000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-229417000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":-287264000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-287264000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-287264000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-287264000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-61531000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":-61531000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-131866000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":-131866000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-1960548000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-1960548000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-1788785000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1788785000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-1788785000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-108777000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-108777000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-222243000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-222243000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":-327481000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-327481000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-477648000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-477648000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-477648000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-10055000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-10055000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-135109000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-135109000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":-297319000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-297319000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":-507751000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-507751000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-112328000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":-112328000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-269320000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":-269320000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":-434171000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-434171000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":-645497000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-158284000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-312926000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":-586522000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":26389000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":113241000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":121591000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":175190000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":175190000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":117838000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":103701000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":103701000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":120840000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":120840000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":159094000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":159094000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":159094000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":125979000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":125979000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":121982000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":121982000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":135569000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":135569000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":191357000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":191357000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":191357000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":42159000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":42159000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":56213000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":56213000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":62290000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":62290000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":117826000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":117826000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":117826000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":55886000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":55886000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":62509000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":62509000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":123425000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":123425000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":159535000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":159535000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":159535000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":49232000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":49232000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":89669000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":89669000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":109042000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":109042000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":161332000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":161332000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":161332000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":34936000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":34936000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":102059000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":102059000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":151886000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":151886000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":186794000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":186794000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":98080000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":98465000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":158099000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":158099000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":196433000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":196433000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":262240000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":79528000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":79528000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":123658000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":123658000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":127081000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":127081000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":190321000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":95201000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":95201000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":152828000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":152828000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":173396000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":173396000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":143583000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":143583000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":212252000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":212252000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":216079000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":216079000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":121416000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":121416000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":121052000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":121052000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":121052000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":165898000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":165898000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":206310000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":206310000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":254200000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":254200000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":311639000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":311639000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":198463000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":198463000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":241651000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":241651000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":273927000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":273927000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":273113000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":306957000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":323580000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":374907000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"NetCashProvidedByUsedInOperatingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Operating Activities, Continuing Operations","description":"Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":186730000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":186730000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":262627000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":262627000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":190321000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":190321000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":76931000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":36611000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":5008000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":34737000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-1874000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":58105000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":58105000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":31539000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":39979000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8440000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8440000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":41287000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1308000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1308000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":66652000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":66652000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":25365000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":51448000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":51448000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-04-01","end":"2011-06-30","val":6079000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":6079000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-07-01","end":"2011-09-30","val":-5138000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":-5138000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":89291000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":36902000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":36902000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":54075000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":54075000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-04-01","end":"2012-06-30","val":10334000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":10334000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-07-01","end":"2012-09-30","val":2013000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":2013000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-10-01","end":"2012-12-31","val":25186000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":25186000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":42866000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":42866000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-04-01","end":"2013-06-30","val":888000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":888000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-07-01","end":"2013-09-30","val":-1421000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":-1421000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-10-01","end":"2013-12-31","val":39260000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":39260000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":47898000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":47898000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-04-01","end":"2014-06-30","val":9621000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":9621000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-07-01","end":"2014-09-30","val":-4396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":-4396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-10-01","end":"2014-12-31","val":43923000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":43923000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":53577000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":53577000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":13267000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":13267000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":-12623000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":-12623000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":105107000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":105107000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":50886000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":50886000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":68069000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":68069000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":68069000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":-4827000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":-4827000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":-4827000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":9635000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":9635000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":9635000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":118810000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":118810000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":118810000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":45933000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":45933000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":45933000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":37717000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":37717000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":37717000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":-7659000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":-7659000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-7659000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":-37593000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":-37593000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-37593000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-3490000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-3490000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-3490000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-3490000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":4045000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":4045000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":4045000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":-45685000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-45685000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45685000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":17663000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":17663000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":17663000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":45927000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":45927000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37433000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-34805000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-34805000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":-34805000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":76917000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":76917000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":76917000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":39484000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":98402000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":88000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-10402000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-10402000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":157084000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":157084000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":128598000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":128598000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":31770000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":31770000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96828000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-96828000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":5640000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":5640000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-26130000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-26130000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":88091000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":129209000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":110303000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18906000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":72296000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-38007000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-227000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":24000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-42000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-145000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-169000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-231000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-231000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-42000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-42000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":129000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":129000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":217000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":217000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":88000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":88000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":390000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":390000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":173000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":173000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":474000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":135000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":211000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":76000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":354000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":143000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance":{"label":"Noncontrolling Interest, Increase from Subsidiary Equity Issuance","description":"Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.","units":{"USD":[{"start":"2020-07-01","end":"2020-09-30","val":4236000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":6037000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"},{"start":"2021-04-01","end":"2021-06-30","val":1213000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"}]}},"NonoperatingIncomeExpense":{"label":"Nonoperating Income (Expense)","description":"The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":890000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":344000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":-117000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":638000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":294000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1411000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1411000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1024000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1503000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":1503000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":479000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":479000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":2150000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":2150000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":648000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":648000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":4551000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":4551000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4551000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":6572000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":6572000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10377000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":10377000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":3805000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":3805000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":12963000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":12963000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":2586000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":2586000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":15642000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":15642000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":15642000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1873000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":1873000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":5531000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":5531000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3658000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":3658000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":9890000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":9890000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":4359000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":4359000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":11104000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11104000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11104000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3869000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":3869000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":6534000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":6534000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":2665000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":2665000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":8734000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":8734000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":2200000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":2200000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":10979000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":10979000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":10979000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2368000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":2368000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":6553000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":6553000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":4185000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":4185000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":9972000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":9972000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":3419000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":3419000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":11819000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":11819000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":11819000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2241000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":2241000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":5281000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":5281000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":3040000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":3040000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":7522000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":7522000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":2241000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":2241000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":9510000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":9510000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":9510000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":9510000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2203000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":2203000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":6564000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":6564000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":4361000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":4361000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":8787000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":8787000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":2223000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":2223000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":9989000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":9989000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":9989000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":5088000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":5665000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":4487000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":7982000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":5626000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":2317000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":1139000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":10235000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":6700000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":2253000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1075000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":15474000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":15474000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":11041000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":11041000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2761000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":2761000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3735000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":3735000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":974000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":974000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":5141000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":5141000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":1406000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":1406000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2404000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":2404000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":2404000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2575000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":2575000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2604000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":2604000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":29000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":29000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2268000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2268000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":618000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":618000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4208000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":4208000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":4208000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-1147000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":-1147000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2478000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":2478000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":3625000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":3625000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":7621000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":7621000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":5143000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":5143000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":7979000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":7979000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2068000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":2068000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":5660000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":5660000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":3592000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":3592000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":7885000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":7885000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":2225000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":2225000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":4592000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2603000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":5494000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":2891000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":13295000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":7801000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"NotesAndLoansReceivableNetCurrent":{"label":"Financing Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-06-30","val":9887000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":9919000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":11800000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":11800000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":11800000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":11800000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":11800000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":11819000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":11843000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1853000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1454000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1454000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1107000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1107000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"}]}},"NotesAndLoansReceivableNetNoncurrent":{"label":"Financing Receivable, after Allowance for Credit Loss, Noncurrent","description":"Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":7882000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":7882000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":7882000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":7882000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":7882000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":7882000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":7882000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":7882000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7882000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":7882000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":7882000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":7882000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":7882000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7882000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7882000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7882000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":35439000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":35439000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":35439000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":35439000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":35439000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":31888000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":31187000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":26135000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":25271000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":20433000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":19374000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":19088000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"}]}},"NotesReceivableRelatedParties":{"label":"Notes Receivable, Related Parties","description":"For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.","units":{"USD":[{"end":"2019-12-31","val":18100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":33900000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":33900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":69900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"NotesReceivableRelatedPartiesCurrent":{"label":"Notes Receivable, Related Parties, Current","description":"Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle).","units":{"USD":[{"end":"2009-12-31","val":502000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":502000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":502000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1245000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1110000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1183000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":1183000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":1183000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":1183000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":1183000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1024000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":8372000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":8728000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2747000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":2747000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":2747000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":2747000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":2747000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2964000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":38626000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":38368000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":39495000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":39495000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":39495000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":39495000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":39495000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39357000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":5287000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9645000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8908000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":8908000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":8908000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":8908000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":8908000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6536000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6339000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":9213000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":14657000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":14657000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":14657000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":14657000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":14657000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15921000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":12059000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":13765000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3134000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":3134000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3134000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":3134000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":3134000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1508000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1868000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1756000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2461000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":211000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2218000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2421000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":4913000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3848000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2907000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3552000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1945000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1945000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1945000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1945000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1945000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2566000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2804000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3847000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5379000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":5379000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":5379000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":5379000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":5379000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2799000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2649000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2875000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2847000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":2847000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":2847000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":2847000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":2847000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2536000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1957000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":4340000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5695000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":5695000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":5695000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":5695000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2995000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5258000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5586000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"NotesReceivableRelatedPartiesNoncurrent":{"label":"Notes Receivable, Related Parties, Noncurrent","description":"Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle).","units":{"USD":[{"end":"2009-12-31","val":30838000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":30838000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":30838000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":74837000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":99417000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":126727000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":126727000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":126727000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":126727000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":126727000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":118573000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":101802000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":101849000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":111946000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":111946000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":111946000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":111946000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":111946000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":112939000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":125267000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":118272000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":117188000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":117188000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":117188000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":117188000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":117188000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":65535000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":65828000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":67613000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":39907000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":39907000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":39907000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":39907000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":39907000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":39563000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":38977000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":38527000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":36799000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":36799000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":36799000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":36799000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":36799000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":36525000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":36300000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":36019000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":13275000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":13275000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":13275000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":13275000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":13275000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":13275000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":13275000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":13275000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":13275000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":13275000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":13275000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":13275000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":13275000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":13275000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13275000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":13275000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":13275000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":13275000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":13275000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":13275000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":13275000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13275000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":13275000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":13275000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":12720000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":12720000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":12720000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":12720000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":12720000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12720000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12720000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12009000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":31073000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":31073000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":31073000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":31073000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":31073000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":30835000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":38155000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":54956000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":64254000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":64254000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":64254000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":64254000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":79080000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":94969000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":93818000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"NumberOfBusinessesAcquired":{"label":"Number of Businesses Acquired","description":"The number of businesses acquired by the entity during the period.","units":{"acquisition":[{"start":"2020-01-01","end":"2020-09-30","val":4,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"}]}},"NumberOfCountriesInWhichEntityOperates":{"label":"Number of Countries in which Entity Operates","description":"The number of countries in which the entity operates as of balance sheet date.","units":{"county":[{"end":"2017-06-30","val":7,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-03-31","val":7,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"category":[{"start":"2017-01-01","end":"2017-12-31","val":2,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"OciBeforeReclassificationsNetOfTaxAttributableToParent":{"label":"OCI, before Reclassifications, Net of Tax, Attributable to Parent","description":"Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"}]}},"OperatingCostsAndExpenses":{"label":"Operating Costs and Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.","units":{"USD":[{"start":"2010-01-01","end":"2010-03-31","val":39504000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-04-01","end":"2010-06-30","val":39498000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-07-01","end":"2010-09-30","val":39951000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-10-01","end":"2010-12-31","val":44553000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":43336000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":43336000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-04-01","end":"2011-06-30","val":42793000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":42793000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-07-01","end":"2011-09-30","val":42681000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":42681000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-10-01","end":"2011-12-31","val":45040000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":45040000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":46071000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":46071000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-04-01","end":"2012-06-30","val":45467000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":45467000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-07-01","end":"2012-09-30","val":45970000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":45970000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-10-01","end":"2012-12-31","val":50072000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":50072000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":52226000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":52226000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-04-01","end":"2013-06-30","val":47114000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":47114000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-07-01","end":"2013-09-30","val":47789000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":47789000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-10-01","end":"2013-12-31","val":54674000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":54674000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":64684000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":64684000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-04-01","end":"2014-06-30","val":56174000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":56174000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-07-01","end":"2014-09-30","val":56039000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":56039000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-10-01","end":"2014-12-31","val":69384000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":69384000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":71279000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":71279000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":62634000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":62634000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":63867000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":63867000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-10-01","end":"2015-12-31","val":71148000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":71148000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":73042000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":73042000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":73042000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":71034000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":71034000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":71034000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":69410000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":69410000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":69410000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-10-01","end":"2016-12-31","val":77858000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":77858000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":77858000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":85675000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":85675000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":84496000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":78681000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":78681000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":77504000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":122617000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":122617000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":121439000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-10-01","end":"2017-12-31","val":152990000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":152990000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":152091000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":92540000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":92540000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":208384000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":208384000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":131899000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":131899000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-10-01","end":"2018-12-31","val":133121000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":133121000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":124794000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":124794000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":118444000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":118444000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":116056000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":116056000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-10-01","end":"2019-12-31","val":138641000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":138641000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":130956000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":118073000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":119046000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q3"},{"start":"2020-10-01","end":"2020-12-31","val":138767000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":153509000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":69545000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":10772000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":69630000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":85000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":111110000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":111110000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":58629000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":74047000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":74047000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":15418000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":15418000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":74585000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":74585000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":537000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":537000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":116492000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":116492000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":116492000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":73047000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":73047000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":85486000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":85486000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":12439000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":12439000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":78340000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":78340000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-7146000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-7146000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":121607000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":121607000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":121607000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":73508000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":73508000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":83765000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":83765000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10257000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":10257000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":83710000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":83710000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":-55000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":-55000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":109898000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":109898000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":109898000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":51979000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":51979000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":41386000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":41386000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":-10593000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-10593000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":36180000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":36180000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-5206000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-5206000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":69636000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":69636000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":69636000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":62510000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":62510000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":66265000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":66265000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":3755000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":3755000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":62152000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":62152000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-4113000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-4113000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":127603000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":127603000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":127603000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":76371000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":76371000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":106711000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":106711000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":30340000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":30340000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":91658000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":91658000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-15053000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-15053000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":156894000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":156894000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":156894000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":156894000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":114253000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":114253000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":106267000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":106267000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-7986000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-7986000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":118857000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":118857000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":12590000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":12590000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":189276000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":189276000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":189276000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":194177000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":67686000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":68864000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":63122000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":65478000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-4564000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-3386000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":7867000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":11402000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-55255000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-54077000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4410000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":4410000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":8843000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":8843000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":157870000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":157870000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":49338000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":49338000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-108532000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-108532000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":10746000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":10746000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-38592000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-38592000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":100745000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":100745000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":100745000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":134553000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":134553000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":143419000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":143419000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":8866000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":8866000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":125348000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":125348000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-19025000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-19025000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":201205000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":201205000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":201205000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":165762000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":165762000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":185953000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":185953000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":20191000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":20191000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":177459000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":177459000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-8494000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-8494000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":282222000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":282222000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":196828000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":196828000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":208437000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":208437000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":11609000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":11609000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":199464000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":199464000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-8973000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-8973000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":349120000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":198600000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":186454000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-12146000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":190637000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":4183000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OperatingLeaseCost":{"label":"Operating Lease, Cost","description":"Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":800000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":800000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1600000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":1600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2317000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":700000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":717000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1803000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":500000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1100000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":983000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":364000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1339000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1339000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":570000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","units":{"USD":[{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2725000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2294000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1871000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1851000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1900000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1868000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2030000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1879000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1569000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1917000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1917000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-06-30","val":6600000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-12-31","val":16812000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"OperatingLeaseLiabilityCurrent":{"label":"Operating Lease, Liability, Current","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.","units":{"USD":[{"end":"2019-03-31","val":1644000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1519000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1326000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1170000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":961000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":759000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":581000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":619000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":753000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"OperatingLeaseLiabilityNoncurrent":{"label":"Operating Lease, Liability, Noncurrent","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.","units":{"USD":[{"end":"2019-03-31","val":1081000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":775000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":545000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":681000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1069000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1120000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":988000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":16059000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"OperatingLeasePayments":{"label":"Operating Lease, Payments","description":"Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":400000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":400000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":800000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":800000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1200000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1230000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":400000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":430000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1700000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1656000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":400000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":700000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":400000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":980000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":250000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1151000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1151000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1076000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-01-01","val":3100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2700000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2700000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-12-31","val":1900000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1863000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-09-30","val":1600000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1929000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1929000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-06-30","val":6600000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-12-31","val":16733000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2018-12-31","val":1885000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1885000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1885000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1885000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":838000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":838000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":838000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":838000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four and Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth and fifth fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":131000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":131000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":131000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":131000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two and Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second and third fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":916000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":916000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":916000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":916000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivable":{"label":"Operating Leases, Future Minimum Payments Receivable","description":"Future minimum rental payments in aggregate as of the balance sheet date under operating leases.","units":{"USD":[{"end":"2011-12-31","val":83190000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":77794000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":72398000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":67002000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":61606000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":56210000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":50814000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":50814000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":45418000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":44069000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableCurrent":{"label":"Operating Leases, Future Minimum Payments Receivable, Current","description":"Future rental payments receivable within one year of the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":5396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5396000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5396000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4047000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Five Years","description":"Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":5396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5396000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5396000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFourYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Four Years","description":"Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":5396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5396000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5396000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Three Years","description":"Future rental payments receivable within the third year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":5396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5396000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5396000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Two Years","description":"Future rental payments receivable within the second year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":5396000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5396000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5396000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5396000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5396000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5396000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":5396000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5396000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableThereafter":{"label":"Operating Leases, Future Minimum Payments Receivable, Thereafter","description":"Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":56210000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":50814000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":45418000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":40022000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":34626000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":29230000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":23834000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":23834000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":18438000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":13042000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q4I"}]}},"OperatingLeaseWeightedAverageDiscountRatePercent":{"label":"Operating Lease, Weighted Average Discount Rate, Percent","description":"Weighted average discount rate for operating lease calculated at point in time.","units":{"pure":[{"end":"2019-03-31","val":0.03,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.03,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.03,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.03,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.03,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.031,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.031,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.03,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":0.03,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0.04,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2009-12-31","val":7412000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":7412000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":7412000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":9158000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":11980000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":10714000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":10714000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":10714000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":10714000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":10714000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":14404000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":14292000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":17128000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":13287000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":13287000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":13287000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":13287000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":13287000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":14295000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":13396000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15768000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11833000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":11833000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":11833000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":11833000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":11833000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15903000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":18103000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":19629000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":17915000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":17915000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":17915000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":17915000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":17915000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":25248000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":20365000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":21758000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":18686000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":18686000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":18686000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":18686000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":18686000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":25453000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":26897000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":27904000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":40167000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":40167000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":40167000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":40167000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":40167000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":46863000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":38930000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":34892000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":31369000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":31910000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":33870000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":33931000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":28247000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29602000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":19907000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":26703000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":26548000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":26548000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":26548000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":26548000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":26548000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":33807000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":36056000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":43152000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":43492000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":43492000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":43492000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":43492000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":43492000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":38848000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":41382000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":38082000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":29081000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":29081000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":29081000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":29081000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":29081000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":23148000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":21487000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":30311000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":25269000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":25269000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":25269000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":25269000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":24271000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":27490000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":30498000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"OtherAssetsMiscellaneousNoncurrent":{"label":"Other Assets, Miscellaneous, Noncurrent","description":"Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.","units":{"USD":[{"end":"2018-12-31","val":116119000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":111282000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2009-12-31","val":23708000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":23708000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":23708000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":25161000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":26501000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":29644000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":29644000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":29644000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":29644000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":29644000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":32297000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":38661000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":42350000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":41767000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":41767000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":41767000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":41767000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":41767000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":42324000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":45464000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":52136000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":52964000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":52964000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":52964000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":52964000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":52964000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":53898000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":56867000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":57641000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":60036000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":60036000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":60036000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":60036000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":60036000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":60086000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":60482000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":60945000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":61124000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":61124000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":61124000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":61124000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":61124000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":61607000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":61342000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":62930000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":64575000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":64575000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":64575000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":64575000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":64575000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":65959000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":66350000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":67392000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":83429000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":91716000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":91601000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":92846000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":98426000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":98426000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":98426000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":98426000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":110906000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":110906000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":100480000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":96754000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":124225000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":116119000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":116119000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":116119000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":116119000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":115153000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":116231000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":116837000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":111282000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":111282000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":111282000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":111282000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":106494000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":107943000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":115735000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":143650000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":143650000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":143650000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":143650000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":143650000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":137622000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":153116000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":158866000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":206699000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":206699000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":206699000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":206699000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":213002000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":209587000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":196931000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease":{"label":"Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)","description":"The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-6877000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1208000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":1208000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-3302000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-3302000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2011-01-01","end":"2011-12-31","val":-5667000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","description":"Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":-472000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":-153000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-177000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":49000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":104000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":55000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":258000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":258000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":154000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":154000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":118000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":118000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":118000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":118000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax":{"label":"Other Comprehensive Income (Loss), before Reclassifications, Net of Tax","description":"Amount after tax, before reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":216000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":154000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":163000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-53000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-10936000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":92000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":49000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-43000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-227000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-276000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1351000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":63000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":136000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":73000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":304000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":167000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-5294000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-10920000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-10920000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-10920000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":10636000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":10636000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-6498000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax","description":"Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":16000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":25000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":25000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":9000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":9000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":35000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":25000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":9000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax","description":"Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-988000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-12000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":4000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":10000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":3000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-11000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":11000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":11000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":4000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":10000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":3000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":12000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":12000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":4000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":10000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":3000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":14000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":4000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":4000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":10000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":3000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax","description":"Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-12-31","val":35000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-35000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-16000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-25000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":34000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-34000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":-8000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-16000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":-16000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-25000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":-25000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-9000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-32000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-9000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-17000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-25000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax","description":"Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":4000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":4000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":10000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":3000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":4000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":10000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":3000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"}]}},"OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax":{"label":"Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax","description":"Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":247000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":171000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":52000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":321000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":321000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":321000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":51000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":100000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":49000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":149000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":149000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":49000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":49000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":197000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":197000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":197000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":197000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1515000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":1515000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1522000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":1522000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1529000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":1529000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":7000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":7000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1536000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1536000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1536000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1536000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":34000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":34000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-2343000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-6626000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-6626000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1741000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-1972000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-231000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-1336000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":636000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-2667000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-2667000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-2667000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4806000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":4806000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":4871000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":4871000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":65000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":65000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":5133000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":5133000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":262000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":262000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":10345000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":10345000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":10345000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":110000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":110000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":248000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":248000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":138000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":138000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-236000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":-236000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-484000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-484000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-9498000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-9498000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-9498000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":1000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":107000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":107000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":106000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":106000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-114000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-114000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-221000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-221000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":5759000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":5759000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":5759000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":5759000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":100000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":100000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":204000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":204000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":104000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":104000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":407000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":407000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":203000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":203000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-2882000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":-2882000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-2882000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-2882000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1515000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":1515000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1522000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":1522000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1529000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":1529000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":7000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":7000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-9384000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-9384000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-9384000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-9384000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":9000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":17000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":10670000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":10670000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":10670000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":16000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":25000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":9000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-6463000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-6463000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-6463000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":16000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":25000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-5658000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-5658000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":16000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":16000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":25000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":25000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":11487000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":9000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":17000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":25000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease":{"label":"Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)","description":"This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-13884000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":3441000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":1915000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":2846000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-595000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":4730000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":4730000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-03-31","val":222000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-523000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-06-30","val":-523000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-745000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-04-01","end":"2010-06-30","val":-745000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-09-30","val":-661000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":-661000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":-138000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-07-01","end":"2010-09-30","val":-138000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":-2343000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-2343000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2011-01-01","end":"2011-03-31","val":-1126000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":-1126000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-06-30","val":-879000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-879000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":247000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":247000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-1505000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-1505000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-626000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-626000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-6626000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1741000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-1972000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-231000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-1336000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":636000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":110866000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":110866000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":115928000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":115928000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-12874000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-12874000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2019-01-01","end":"2019-03-31","val":8000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":8000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":25000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":9000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-03-31","val":8000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":25000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":9000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-03-31","val":8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":9000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2022-01-01","end":"2022-03-31","val":9000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-03-31","val":9000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":8000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":8000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax","description":"Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":3302000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":5667000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5667000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1842000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1842000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1842000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-4934000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-4934000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-4934000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":9160000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":9160000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":9160000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-5518000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-5518000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":-5518000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":-5518000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3197000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":3197000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":3197000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":3197000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":10920000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":10920000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":10920000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":10920000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-10636000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-10636000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":6498000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax","description":"Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":4106000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-3731000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":-3731000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":2539000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":2539000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":2539000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2316000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":2316000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-4426000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax","description":"Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":34000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax","description":"Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":-10636000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":6498000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-6498000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":5692000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-5692000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":11455000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax","description":"Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-730000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":97000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":267000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":441000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":344000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":533000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":533000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-03-31","val":144000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-121000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-06-30","val":-121000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":-265000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-04-01","end":"2010-06-30","val":-265000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-09-30","val":162000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":162000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":283000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-07-01","end":"2010-09-30","val":283000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":339000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":339000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":339000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-154000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":-154000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-06-30","val":-103000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-103000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":51000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":51000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-581000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-581000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-478000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-478000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-360000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-360000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-360000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":351000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":351000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":215000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":215000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":-136000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":-136000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":420000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-09-30","val":420000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":205000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":205000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":-274000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-274000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-06-30","val":-297000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-06-30","val":-297000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-23000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":-23000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-76000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-09-30","val":-76000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":221000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":221000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":103000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":103000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":103000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-03-31","val":62000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":62000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-06-30","val":216000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-06-30","val":216000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":154000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":154000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":-397000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":-397000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-613000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":-613000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":-472000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":-472000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-03-31","val":88000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-03-31","val":88000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-06-30","val":24000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-06-30","val":24000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-64000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-04-01","end":"2015-06-30","val":-64000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":-153000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-177000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":49000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":104000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":55000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2"}]}},"OtherCostAndExpenseOperating":{"label":"Other Cost and Expense, Operating","description":"The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":79769000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":44990000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":22077000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":65034000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":20044000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":89066000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":89066000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":23480000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":46036000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":46036000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":22556000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":22556000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":68013000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":68013000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":21977000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":21977000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":96042000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":96042000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":96042000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":25694000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":25694000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":50185000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":50185000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":24491000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":24491000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":74187000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":74187000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":24002000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":24002000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":100901000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":100901000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":100901000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":27782000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":27782000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":54198000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":54198000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":26416000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":26416000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":80015000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":80015000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":25817000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":25817000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":113643000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":113643000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":113643000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":32689000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":32689000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":60646000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":60646000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":27957000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":27957000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":87862000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":87862000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":27216000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":27216000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":120205000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":120205000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":120205000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":39350000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":39350000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":70002000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":70002000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":30652000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":30652000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":99941000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":99941000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":29939000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":29939000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":140260000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":140260000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":140260000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":41861000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":41861000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":75663000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":75663000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":33802000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":33802000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":108813000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":108813000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":33150000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":33150000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":148672000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":148672000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":148672000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":148672000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":38797000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":38797000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":75047000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":75047000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":36250000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":36250000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":109843000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":109843000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":34796000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":34796000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":151957000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":151957000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":151957000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":147056000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":39626000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":38448000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":78100000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":75744000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":38474000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":37296000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":160621000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":112865000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":82521000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":37377000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":174200000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":174200000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":169767000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":169767000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":47044000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":47044000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":105051000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":105051000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":58007000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":58007000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":179464000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":179464000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":74413000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":74413000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":256862000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":256862000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":256862000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":62826000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":62826000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":119434000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":119434000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":56608000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":56608000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":173603000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":173603000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":54169000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":54169000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":238752000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":238752000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":276093000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":62356000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":115012000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":52656000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":168653000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":53641000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":233314000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":272171000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":70103000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":132984000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":62881000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":194182000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":61198000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":265140000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":78978000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":141769000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":62791000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":205737000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":63968000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"OtherCostOfServices":{"label":"Other Cost of Services (Deprecated 2018-01-31)","description":"Other costs incurred and are directly related to services rendered by an entity during the reporting period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":303893000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":163641000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":61106000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":227392000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":63751000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":303648000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":115028000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":191694000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":76666000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":287974000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":96279000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":395015000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":133580000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1"}]}},"OtherLiabilitiesCurrent":{"label":"Other Liabilities, Current","description":"Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":17301000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":17301000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":17301000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":15193000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":16776000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":9043000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":9043000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":9043000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":9043000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":9043000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":5664000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":5194000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5125000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":10498000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":10498000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":10498000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":10498000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":10498000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":7075000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5954000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5858000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11127000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":11127000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":11127000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":11127000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":11127000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":7342000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":7136000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":5834000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":9210000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":9210000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":9210000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":9210000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":9210000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6858000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6608000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6594000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":12480000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":12480000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":12480000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":12480000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":12480000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7584000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6261000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7287000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":11596000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":11596000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":11596000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":11596000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":11596000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7222000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6053000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5849000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":15219000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8635000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":11521000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8480000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":15860000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":9785000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":21354000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":22053000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":36102000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":36102000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":36102000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":36102000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":36102000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":27643000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":26766000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":29524000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":35486000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":35486000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":35486000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":35486000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":35486000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":30223000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":26563000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":22564000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":27665000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":27665000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":27665000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":27665000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":31369000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":40444000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":40443000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":43065000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":54311000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":54311000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":54311000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":54311000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":53049000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":40478000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":38762000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"OtherLiabilitiesNoncurrent":{"label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":19883000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":19883000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":19883000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":17441000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":16883000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":16693000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":16693000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":16693000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":16693000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":16693000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":16064000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":15561000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":15759000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":14710000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":14710000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":14710000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":14710000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":14710000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":13910000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":13626000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":13455000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":19222000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":19222000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":19222000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":19222000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":19222000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":16460000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15600000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":17272000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":16551000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":16551000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":16551000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":16551000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":16551000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15351000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":14737000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":14446000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":14815000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":14815000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":14815000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":14815000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":14815000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":14140000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13518000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":13172000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":22990000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":22990000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":22990000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":22990000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":22990000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":22323000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":21351000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":20405000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":10584000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10051000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9628000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":9447000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":9436000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":9090000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":28759000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":28995000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":26645000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":26645000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":26645000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":26645000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":26645000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":25307000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":21780000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19354000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":17738000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":17738000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":17738000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":17738000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":17738000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":14047000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11420000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":15287000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":12478000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":12478000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":12478000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":12478000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":147501000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":53835000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":88542000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":83600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":188971000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":188971000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":188971000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":188971000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":188192000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":179983000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":180705000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"OtherSalesRevenueNet":{"label":"Other Revenue, Net (Deprecated 2018-01-31)","description":"Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":401786000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":192095000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":70028000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":263224000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":71129000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":365180000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":133226000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":223689000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":90463000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":327517000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":103828000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":455660000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":157533000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1"}]}},"PaymentsForAdvanceToAffiliate":{"label":"Payments for Advance to Affiliate","description":"The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7457000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":7864000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":11647000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":26780000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":26780000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":3098000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":36639000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":36639000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":61783000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":61783000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":101957000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":101957000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":101957000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":18573000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":18573000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":24108000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":24108000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":28827000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":28827000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":41612000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":41612000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":41612000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":10011000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":10011000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":58178000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":58178000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":66755000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":66755000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":67943000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":67943000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":67943000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":498000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":498000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":6157000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":6157000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":11849000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":11849000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":19349000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":19349000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":19349000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":342000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":342000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1922000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":1922000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":3472000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":3472000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":7521000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":7521000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":7521000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1265000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":1265000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1514000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1514000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":2163000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":2163000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":2075000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":2075000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2075000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":2075000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2451000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":2451000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":2451000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2451000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":620000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":620000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":858000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":858000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":1902000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1902000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":3433000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":3433000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":3433000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":19301000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":19301000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":7924000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":7924000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":26615000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":26615000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":46563000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":12105000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":12105000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":30449000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsForProceedsFromLifeInsurancePolicies":{"label":"Payments for (Proceeds from) Life Insurance Policies","description":"The net cash outflow or inflow for net proceeds and payments derived from carrying life insurance policies for which the entity is the beneficiary.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":9180000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":1148000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1298000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":-1694000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-1694000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-1694000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-1694000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-1694000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"PaymentsForProceedsFromLoansReceivable":{"label":"Payments for (Proceeds from) Loans Receivable","description":"The net amount paid or received by the reporting entity associated with purchase (sale or collection) of loans receivable arising from the financing of goods and services.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":9919000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":9916000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":9916000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":50000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":74000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-9919000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":-9919000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-9916000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":-9916000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-9916000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-3000000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":-3000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-3000000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-3000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":-3000000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-3000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":-22884000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-22884000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-22884000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-22884000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PaymentsForProceedsFromOtherInvestingActivities":{"label":"Payments for (Proceeds from) Other Investing Activities","description":"Amount of cash (inflow) outflow from investing activities classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-175000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":-175000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":0,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":2843000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2843000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2843000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":4139000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":4139000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":5180000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":5180000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":5847000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":5847000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":6423000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":6423000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":6423000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":567000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":567000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":584000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":584000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":6388000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":6388000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":6276000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6276000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6276000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":41000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":41000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":41000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2021-01-01","end":"2021-03-31","val":4000000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"}]}},"PaymentsForProceedsFromRemovalCosts":{"label":"Payments for (Proceeds from) Removal Costs","description":"The net cash inflow or outflow from the costs of disposing of plant, whether by demolishing, dismantling, abandoning, sale, and so forth during the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-1463000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-1678000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1678000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-1596000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":1596000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1596000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1590000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1590000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1590000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2133000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2133000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2133000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":6092000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":6092000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":6092000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4848000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":4848000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":4848000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":5096000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":5096000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":5096000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":5096000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6070000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":6070000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":6070000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":6070000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":7062000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":7062000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":7062000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":11184000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"PaymentsOfDebtIssuanceCosts":{"label":"Payments of Debt Issuance Costs","description":"The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":320000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":96000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":178000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":178000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":559000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":623000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":623000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":1016000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":1016000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":1215000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":1215000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1215000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":10000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":10000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":28000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":28000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":32000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":32000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":43000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":43000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":43000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":172000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":172000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":583000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":583000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":1820000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":1820000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":1788000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1788000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1788000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":11000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":11000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":5000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":30000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":30000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":411000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":411000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":411000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":210000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":210000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1204000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":1204000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":2159000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":2159000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":2184000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":2184000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":2184000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":8000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":8000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":64000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":64000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":64000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":64000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":7000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":7000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":147000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":147000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":147000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":147000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2021000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":2021000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2060000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":2060000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":3744000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":3744000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":14204000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":14204000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":14204000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":14204000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1264000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1264000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":13821000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":13821000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":16914000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":16914000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":21574000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":21574000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":21574000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":798000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":798000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1275000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":1275000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":2106000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2106000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":2744000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":2744000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":2744000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":791000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":791000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5874000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":5874000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":6810000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":6810000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":8191000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":8191000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":9108000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":9108000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":12761000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":12761000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":16304000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":16304000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":17632000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":2306000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsOfDividendsCommonStock":{"label":"Payments of Ordinary Dividends, Common Stock","description":"Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":32914000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":8864000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":17729000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":36426000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":36426000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":9858000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":9858000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":19716000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":19716000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":40478000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":40478000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":40478000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":10933000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":10933000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":21866000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":21866000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":44975000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":12200000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":12200000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":24452000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":24452000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":50942000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":14102000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":14102000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":28246000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":28246000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":57679000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":15510000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":15510000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":31121000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":31121000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":63869000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":17192000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":17192000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":34397000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":34397000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":70158000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":18790000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":18790000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":39752000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":39752000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":82380000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":21676000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":21676000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":43353000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":43353000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":87308000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":22292000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":22292000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":46233000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":46233000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":94756000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":26562000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":26562000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":53124000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":53124000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":106938000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":27276000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":27276000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":54553000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":54553000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":114643000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":114643000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":30453000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":30453000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":64460000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":64460000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":133336000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":36398000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":74362000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":6554000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":6554000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":6554000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":6554000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":7149000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":7149000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":7149000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1863000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":1863000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":1897000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":1897000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":2409000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":2409000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1662000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1662000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2300000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":2300000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":2318000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":2318000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":2322000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Payment, Tax Withholding, Share-based Payment Arrangement","description":"Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":333000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":333000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":385000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":387000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":387000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":387000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":751000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":751000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":751000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":751000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":751000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":751000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":751000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":751000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":751000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":751000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":776000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":776000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":776000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":776000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":776000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":776000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":776000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":776000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PaymentsToAcquireAdditionalInterestInSubsidiaries":{"label":"Payments to Acquire Additional Interest in Subsidiaries","description":"The cash outflow associated with the purchase of noncontrolling interest during the period.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-1394000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-1394000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":54328000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":54328000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":79181000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":79181000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4000000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":14672000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":14672000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":14683000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":14683000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":44356000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":5660000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":5660000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":21034000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsToAcquireAvailableForSaleSecurities":{"label":"Payments to Acquire Available-for-sale Securities","description":"The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6059000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":6059000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":6059000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":6059000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":6059000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":6059000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":6059000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":6059000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":6059000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"}]}},"PaymentsToAcquireBusinessesGross":{"label":"Payments to Acquire Businesses, Gross","description":"The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.","units":{"USD":[{"end":"2018-07-01","val":1740000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-07-01","val":1740000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-07-01","val":1740000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-07-01","val":1720000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-07-01","val":1720000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-07-01","val":1720000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-07-01","val":1720000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q2I"}]}},"PaymentsToAcquireBusinessesNetOfCashAcquired":{"label":"Payments to Acquire Businesses, Net of Cash Acquired","description":"The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1740375000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1740375000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1740285000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1740285000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1740285000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":-15600000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":3952000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":3952000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":3952000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":3952000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":3952000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":2806000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":2806000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":10932000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":10932000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":21613000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":21613000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"PaymentsToAcquireEquityMethodInvestments":{"label":"Payments to Acquire Equity Method Investments","description":"The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":9524000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":4102000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":4866000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":4866000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":502000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":727000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":1353000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":1353000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":12139000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":12139000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":196000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":196000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":9802000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":9802000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":13155000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":13155000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":14039000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":20769000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":40158000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":76495000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsToAcquireInterestInSubsidiariesAndAffiliates":{"label":"Payments to Acquire Interest in Subsidiaries and Affiliates","description":"The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2969000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":2406000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":2436000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":3999000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":3999000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1200000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":2700000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":2700000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":2700000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":2700000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":4750000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":4750000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4750000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":19933000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":19933000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":21867000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":21867000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":23034000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":23034000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":23043000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":23043000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":23043000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":16286000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":16286000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":28979000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":28979000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":35899000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":35899000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":39431000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":39431000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":39431000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1076000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":1076000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2492000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":2492000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":2973000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":2973000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":2973000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2973000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2973000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":717000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":717000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1766000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1766000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":6099000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":6099000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":20229000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":20229000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":20229000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":20229000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":3079000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":3079000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":5820000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":5820000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":8307000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":8307000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":12943000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":12943000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":12943000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":12943000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":5902000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":5902000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":19461000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":19461000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":22434000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":22434000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":29636000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":29636000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":29636000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":29636000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3975000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":3975000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8413000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":8413000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":9524000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":9524000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":9524000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":9524000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1458000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":1458000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3088000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":3088000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":4102000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":4866000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":502000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":727000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"}]}},"PaymentsToAcquireLifeInsurancePolicies":{"label":"Payment to Acquire Life Insurance Policy, Investing Activities","description":"Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":4287000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":3722000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":4444000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":4444000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":4444000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":3412000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":3412000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":4276000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":4276000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":4354000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":4354000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4354000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":3525000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":3525000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":4352000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":4352000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":4628000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4628000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4628000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":3525000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":3525000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":4547000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":4547000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":4547000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4547000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4547000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":372000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":372000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3785000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":3785000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":5072000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":5072000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":5149000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":5149000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":5149000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":230000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":230000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":526000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":526000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1172000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":1172000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":1250000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1250000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1250000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":356000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":356000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":765000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":765000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":1764000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":1764000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":2328000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":2328000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2328000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":2328000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":357000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":357000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":652000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":652000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":1755000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":1755000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":2398000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":2398000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":2398000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":2398000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":8074000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":8074000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":8074000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":8074000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":8765000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":8765000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":9180000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":9180000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":9180000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":279000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":279000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":574000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":574000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1148000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1298000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"}]}},"PaymentsToAcquireNotesReceivable":{"label":"Payments to Acquire Notes Receivable","description":"The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":9887000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-06-30","val":9887000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":9919000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":9916000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":9916000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2016-01-01","end":"2016-03-31","val":50000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":74000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-12-31","val":-9916000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"PaymentsToAcquireProductiveAssets":{"label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":61972000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":36447000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":61314000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":109307000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":109307000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":38546000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":69102000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":69102000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":101564000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":101564000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":166910000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":166910000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":166910000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":32066000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":32066000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":67778000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":67778000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":113993000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":113993000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":193119000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":193119000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":193119000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":45387000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":45387000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":96891000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":96891000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":147759000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":147759000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":253845000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":253845000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":253845000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":40604000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":40604000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":88305000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":88305000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":192497000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":192497000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":316644000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":316644000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":316644000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":60254000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":60254000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":134945000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":134945000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":203918000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":203918000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":342578000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":342578000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":342578000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":54307000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":54307000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":141585000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":141585000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":234550000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":234550000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":345621000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":345621000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":343883000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":343883000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":67416000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":67637000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":118843000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":119905000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":188405000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":189466000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":278002000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":279423000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":279423000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":279423000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":67278000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":67278000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":142029000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":142029000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":205604000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":205604000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":272965000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":272965000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":272965000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":272965000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":58816000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":58816000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":125973000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":125973000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":200770000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":200770000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":341120000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":341120000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":341120000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":121887000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":121887000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":256587000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":256587000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":357844000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":357844000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":504212000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":504212000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":504212000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":113671000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":113671000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":234635000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":234635000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":344828000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":344828000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":486451000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":486451000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":105380000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":105380000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":232138000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":232138000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":373516000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":373516000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":532026000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":121473000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":260757000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":462969000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":269525000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":101267000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":60899000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":204151000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":102884000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":328504000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":328504000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":42628000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":119167000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":119167000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":76539000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":76539000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":199490000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":199490000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":80323000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":80323000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":339469000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":339469000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":339469000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":49620000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":49620000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":139351000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":139351000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":89731000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":89731000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":232381000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":232381000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":93030000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":93030000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":361994000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":361994000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":361994000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":361994000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":54662000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":54662000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":108630000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":108630000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":53968000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":53968000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":172107000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":172107000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":63477000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":63477000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":269689000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":269689000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":269689000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":269689000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":70178000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":70178000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":140453000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":140453000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":70275000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":70275000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":201574000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":201574000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":61121000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":61121000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":269747000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":269747000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":269747000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":269747000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":55084000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":55084000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":129268000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":129268000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":74184000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":74184000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":211979000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":211979000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":82711000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":82711000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":350856000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":350856000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":350856000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":94594000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":94594000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":216921000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":216921000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":122327000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":122327000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":341259000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":341259000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":124338000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":124338000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":466294000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":466294000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":466294000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":108394000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":108394000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":217276000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":217276000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":108882000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":108882000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":396933000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":396933000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":179657000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":179657000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":552925000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":552925000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":96896000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":96896000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":244219000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":244219000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":147323000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":147323000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":383503000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":383503000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":139284000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":139284000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":566568000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":127071000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":269115000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":142044000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":490420000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":221305000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"PaymentsToAcquireRestrictedInvestments":{"label":"Payments to Acquire Restricted Investments","description":"The cash outflow to acquire investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":77000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"}]}},"PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities":{"label":"Liability, Defined Benefit Plan, Current","description":"Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.","units":{"USD":[{"end":"2009-12-31","val":1109000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":1109000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1109000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1109000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1109000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1217000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":1217000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":1217000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":1217000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":1217000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1217000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1217000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1212000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1275000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":1275000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":1275000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":1275000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":1275000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1240000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1240000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1240000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1272000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1272000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":1272000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":1272000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":1272000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1236000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1236000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1236000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1275000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1275000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":1275000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":1275000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":1275000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1241000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1241000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1241000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1550000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":1550000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1550000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1550000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":1550000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1515000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1515000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1515000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2261000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":2261000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2261000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":2261000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":2261000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2261000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2261000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2261000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2463000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2463000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2463000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2463000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":2388000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2388000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2388000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2388000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3631000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3631000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":3631000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":3631000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":3631000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3631000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3632000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3632000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3727000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":3727000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":3727000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":3727000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3727000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3727000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3727000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3727000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3704000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":3704000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":3704000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":3704000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3704000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3704000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3704000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"}]}},"PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent":{"label":"Liability, Defined Benefit Plan, Noncurrent","description":"Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.","units":{"USD":[{"end":"2009-12-31","val":69141000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":69141000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":69141000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":63497000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":65296000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":71675000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":71675000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":71675000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":71675000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":71675000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":73639000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":75563000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":77598000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":109021000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":109021000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":109021000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":109021000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":109021000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":86153000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":89073000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":91765000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":105168000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":105168000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":105168000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":105168000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":105168000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":94710000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":97283000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":99712000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":57370000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":57370000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":57370000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":57370000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":57370000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":58776000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":60297000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":61000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":115373000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":115373000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":115373000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":115373000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":115373000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":98232000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":100358000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":103046000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":76068000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":76068000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":76068000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":76068000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":76068000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":77720000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":79821000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":81966000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":95235000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":87654000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":89474000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":91708000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":101544000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":104262000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":105789000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":114765000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":110112000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":110112000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":110112000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":110112000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":110112000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":110049000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":111134000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":112061000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":114055000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":114055000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":114055000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":114055000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":114055000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":114101000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":114422000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":114764000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":135023000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":135023000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":135023000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":135023000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":132199000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":130615000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":128984000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"}]}},"PensionContributions":{"label":"Payment for Pension Benefits","description":"Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":8000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":12700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":12700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":12700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":15000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":15000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":15000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":15000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":10000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":10000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":10000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":10000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PreferredStockSharesAuthorized":{"label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2011-12-31","val":2500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":2500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":2500000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2500000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2500000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2500000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2500000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"},{"end":"2021-12-31","val":2500000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PreferredStockSharesOutstanding":{"label":"Preferred Stock, Shares Outstanding","description":"Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.","units":{"shares":[{"end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"}]}},"PrepaidTaxes":{"label":"Prepaid Taxes","description":"Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":20093000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":20093000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":20093000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":22382000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":48513000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":31384000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":31384000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":31384000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":31384000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":31384000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":19598000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":33028000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":32327000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":22303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":22303000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":22303000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":22303000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":22303000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":9580000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":27938000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":34099000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":26187000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":26187000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":26187000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":26187000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":26187000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1796000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":18378000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":15597000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":9431000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":9431000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":9431000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":9431000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":9431000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1220000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":23849000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":21884000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":14106000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":14106000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":14106000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":14106000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":14106000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4429000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":20460000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17303000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":21753000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":21753000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":21753000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":21753000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":21753000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":11382000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":27922000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":25724000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":17471000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10601000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":14841000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":12145000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":41355000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":20391000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":30040000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":28185000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":30694000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":30694000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":30694000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":30694000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":30694000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13586000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":38982000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":35887000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":26918000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":26918000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":26918000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":26918000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":26918000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":15857000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":40709000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":37333000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":23851000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":23851000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":23851000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":23851000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":23851000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":13623000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":42972000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":47505000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":33977000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":33977000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":33977000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":33977000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":12100000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":43699000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":37479000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"ProceedsFromCollectionOfAdvanceToAffiliate":{"label":"Proceeds from Collection of Advance to Affiliate","description":"The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1100000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":1100000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":2897000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":2897000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":177000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":2867000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":2867000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":3566000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":3566000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":5834000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":5834000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":5834000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":26050000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":26050000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":38713000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":38713000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":39977000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":39977000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":47694000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47694000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":47694000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3796000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":3796000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":4681000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":4681000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":11523000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":11523000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":13402000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":13402000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":13402000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":58249000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":58249000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":94360000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":94360000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":94946000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":94946000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":124946000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":124946000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":124946000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3228000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":3228000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5639000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":5639000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":4761000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":4761000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":5094000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":5094000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":5094000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":275000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":275000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":4612000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":4612000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":3835000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":3835000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":4276000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":4276000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":4276000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":4276000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1626000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1626000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1266000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":1266000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":1378000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":1378000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":672000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":672000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":672000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":672000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2251000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":2251000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":243000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":243000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":41000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":41000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1065000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":1065000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2006000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":2006000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1360000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1360000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":2967000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":2967000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":2967000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2580000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":2580000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2730000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":2730000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":2504000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":2504000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":2531000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":2531000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":311000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":311000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":890000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":890000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"}]}},"ProceedsFromCollectionOfNotesReceivable":{"label":"Proceeds from Collection of Notes Receivable","description":"The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":9861000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":7414000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":9813000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":9813000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2466000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4983000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":7604000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":7604000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":10301000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":10301000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":10301000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4665000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":4665000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7524000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":7524000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":10457000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":10457000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":12904000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":12904000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3370000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":3370000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":12928000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":12928000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":10494000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":10494000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":13969000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":3427000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":6612000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":10115000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ProceedsFromConstructionLoansPayable":{"label":"Proceeds from Construction Loans Payable","description":"The cash inflow from borrowings to finance the cost of construction.","units":{"USD":[{"start":"2010-01-01","end":"2010-03-31","val":0,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-03-31","val":19920000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":19920000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-06-30","val":23425000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":23425000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":23482000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":23482000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"}]}},"ProceedsFromContributionsFromAffiliates":{"label":"Proceeds from Contributions from Affiliates","description":"The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":175000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":1902000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1902000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":2339000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2339000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2339000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":6037000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":6037000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":1213000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-09-30","val":1072000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":3820000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital":{"label":"Proceeds from Equity Method Investment, Distribution, Return of Capital","description":"Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":4750000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":4750000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":4750000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":4750000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":4750000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":4750000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-01-01","end":"2022-03-31","val":4000000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":10466000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":12138000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2076000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":5359000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":5359000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":13436000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13436000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":13436000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2902000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":2902000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":9256000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":9256000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":41543000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":41543000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":70241000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":70241000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":7244000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":7244000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":12502000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":12502000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":13931000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":13931000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":54028000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5157000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":5157000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17119000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":17119000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":29125000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":29125000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":80680000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1857000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":1857000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3596000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":3596000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":9705000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":9705000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":63192000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":63192000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":63192000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5645000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":5645000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-05-01","end":"2016-05-31","val":203600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2I"},{"start":"2016-01-01","end":"2016-06-30","val":214463000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":214463000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":214426000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":214426000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":214426000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":214426000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":214426000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":214426000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":173750000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":173750000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":173750000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":173750000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":173750000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":173750000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":173750000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":189032000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":189032000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":189032000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":189032000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":189032000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":189032000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":189032000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":189032000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":189032000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":200000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":200000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":200000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":200000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":200000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":200000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":42272000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":42272000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":329772000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":329772000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":329772000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":329772000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":429772000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":100380000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":100380000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":100380000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan":{"label":"Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan","description":"Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":13400000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":70200000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":70200000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":70241000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":54000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":54028000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":54028000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":80680000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":80680000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":63192000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":10800000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":10800000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":10800000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":25000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":15000000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":60000000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":60000000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":60000000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":60000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":115000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":115000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":115000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":150000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":150000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":200000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":200000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":235000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":235000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":235000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":50000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":50000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":50000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":30000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":30000000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":189000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":189000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":329000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":329000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":329000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":329000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":329000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":80000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":80000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":130000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":130000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":130000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":130000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":61000000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":61000000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":61000000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":61000000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":61000000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":61000000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":61000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":61000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":61000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":61000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":273000000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":273000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":321000000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":321000000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":446000000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":446000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":450000000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":450000000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":450000000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":450000000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":50000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":50000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1592500000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":1592500000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1592500000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1592500000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":2432500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":2432500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":2432500000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":10000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":10000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":10000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":10000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":244657000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":244657000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":429657000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":429657000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":429657000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":600000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":600000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":800000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":800000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":1050000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1050000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":300000000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":300000000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":460000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":460000000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":460000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":460000000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":460000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":400000000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ProceedsFromOtherEquity":{"label":"Proceeds from Other Equity","description":"Amount of cash inflow from the issuance of equity classified as other.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":5400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-03-31","val":2900000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":9300000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":41500000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"}]}},"ProceedsFromPaymentsForOtherFinancingActivities":{"label":"Proceeds from (Payments for) Other Financing Activities","description":"Amount of cash inflow (outflow) from financing activities classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":666000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":303000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":303000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":618000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":618000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":618000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":379000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":379000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":379000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":880000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":880000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":880000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-501000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-501000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-501000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-387000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-387000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-387000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-397000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":-397000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2018-01-01","end":"2018-12-31","val":-776000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-1023000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":-1023000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"ProceedsFromSaleOfPropertyPlantAndEquipment":{"label":"Proceeds from Sale of Property, Plant, and Equipment","description":"The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":3500000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":3500000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":3500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3500000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3500000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":29000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":29000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":29000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":29000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":29000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":6000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":6000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":53000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":53000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":53000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3058000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":3058000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3058000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":3058000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":3547000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":3547000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":3547000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":3547000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":3547000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":3547000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":51000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":51000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":310644000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":310644000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":310644000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":16130000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":16130000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":24292000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":24292000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":26360000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":26360000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":26938000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":26938000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":26938000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":104275000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":104275000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":104311000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":104311000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":119948000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":119948000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":119948000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":119948000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"ProceedsFromSaleOfRestrictedInvestments":{"label":"Proceeds from Sale of Restricted Investments","description":"The cash inflow associated with the sale of investments that are pledged or subject to withdrawal restrictions during the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":5170000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1738000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1738000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":1738000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":1738000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":76704000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":36635000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":4966000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":34592000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":-2043000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":57874000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":57874000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":31539000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":39979000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":39979000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":8440000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":8440000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":41287000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":41287000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1308000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1308000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":66652000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":66652000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":66652000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":51448000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":51448000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":57527000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":57527000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":6079000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":6079000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":52389000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":52389000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5138000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":-5138000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":89291000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":89291000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":89291000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":54075000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":54075000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":64409000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":64409000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":10334000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":10334000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":66422000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":66422000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":2013000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":2013000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":91608000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":91608000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":91608000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":42866000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":42866000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":43754000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":43754000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":888000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":888000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":42333000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":42333000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":-1421000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-1421000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":81593000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":81593000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":81593000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":47898000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":47898000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":57519000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":57519000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":9621000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":9621000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":53123000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":53123000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":-4396000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":-4396000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":97046000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":97046000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":97046000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":53577000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":53577000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":66844000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":66844000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":13267000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":13267000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":54221000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":54221000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":-12623000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-12623000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":105107000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":105107000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":68069000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":68069000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":63242000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":63242000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-4827000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-4827000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":72877000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":72877000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":9635000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":9635000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":118810000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":37717000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":37717000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":30058000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":30058000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":-7659000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-7659000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-7535000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-7535000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":-37593000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-37593000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":111240000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17421000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":17421000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-93819000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-28264000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":-28264000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45685000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-45685000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":17663000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":85637000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":72238000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":72238000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-13399000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37433000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-34805000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-34805000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":76917000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":76917000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":39484000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-03-31","val":101041000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":98402000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":98402000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-2639000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":88000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-10402000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":-10402000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":157042000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":157042000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":69042000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-03-31","val":128727000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":31987000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":31987000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96740000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-96740000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96740000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":-96740000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":6030000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":6030000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-25957000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-25957000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":88565000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":129344000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2022-01-01","end":"2022-03-31","val":129344000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-03-31","val":129344000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":110514000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18830000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-18830000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":72650000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-37864000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization":{"label":"Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization","description":"Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.","units":{"USD":[{"end":"2019-12-31","val":13807000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":35069000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":35374000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":35807000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":37427000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":35367000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":35367000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":35367000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":35367000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":37342000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":38630000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":40955000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization":{"label":"Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization","description":"Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.","units":{"USD":[{"end":"2019-12-31","val":25991000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":149606000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":168514000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":183294000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":240503000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":240503000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":240503000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":240503000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":262704000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":287314000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":367361000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, Plant and Equipment, Gross","description":"Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2009-12-31","val":132119000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":132119000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":132119000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":119223000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":133549000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":169770000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":169770000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":169770000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":169770000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":169770000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":176678000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":185496000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":185634000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":221051000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":221051000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":221051000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":221051000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":221051000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":225400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":231968000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":244834000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":328638000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":328638000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":328638000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":328638000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":328638000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":331699000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":351091000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":407110000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":486332000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":486332000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":486332000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":486332000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":486332000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":495433000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":512648000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":536081000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":622079000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":622079000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":622079000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":622079000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":622079000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":626875000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":654129000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":691565000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":785646000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":785646000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":785646000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":785646000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":785646000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":784495000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":792256000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":796135000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":821942000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":821230000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":824775000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":780131000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":741027000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":745826000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":171983000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":161250000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":152232000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":152232000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":152232000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":152232000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":152232000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":152270000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":151628000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":151826000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":25991000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":25991000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":25991000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":25991000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":25991000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":26571000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":29086000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":88911000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":147764000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":240503000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2009-12-31","val":1073072000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":1073072000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1073072000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1103727000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1132363000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1193255000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":1193255000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":1193255000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":1193255000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":1193255000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1211841000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1250182000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1281418000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1352393000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":1352393000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":1352393000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":1352393000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":1352393000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1387048000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1423421000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1462950000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1578021000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1578021000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":1578021000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":1578021000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":1578021000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1606552000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1658115000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1747492000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1859098000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1859098000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":1859098000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":1859098000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":1859098000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1885215000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1945447000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2010925000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2134103000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":2134103000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2134103000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2134103000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":2134103000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2165461000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2237378000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2311546000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2448105000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":2448105000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2448105000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":2448105000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":2448105000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2478166000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2514890000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2547107000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2623770000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2662685000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2707769000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2698147000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":2700197000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2731747000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2361308000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3530103000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3653473000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3653473000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":3653473000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":3653473000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3726079000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3941641000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4028885000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2020-12-31","val":112695000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":205136000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PropertyPlantAndEquipmentUsefulLifeMaximum":{"label":"Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31)","description":"The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"year":[{"start":"2011-01-01","end":"2011-12-31","val":50,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"}]}},"PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation":{"label":"Property Subject to or Available for Operating Lease, Accumulated Depreciation","description":"The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.","units":{"USD":[{"end":"2010-12-31","val":15000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":17500000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"}]}},"PropertySubjectToOrAvailableForOperatingLeaseGross":{"label":"Property Subject to or Available for Operating Lease, Gross","description":"Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.","units":{"USD":[{"end":"2010-12-31","val":73600000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":74000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"}]}},"ProvisionForDoubtfulAccounts":{"label":"Accounts Receivable, Credit Loss Expense (Reversal)","description":"Amount of expense (reversal of expense) for expected credit loss on accounts receivable.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2332000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":2728000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":2728000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":4943000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":4943000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4943000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2272000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2272000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2272000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":4932000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4932000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4932000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4245000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":4245000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":4245000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":9519000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":9519000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":9519000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":14730000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":14730000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":14730000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":14730000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6907000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":6907000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":6907000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":6907000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6949000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":6949000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":6949000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6949000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":7977000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":7977000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":7977000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":10432000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":10432000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":10432000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4863000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":14578000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":14578000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":9715000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":9715000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":19994000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":19994000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":5416000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":5416000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":9558000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":9558000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2409000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":2409000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":5246000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":5246000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":2837000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":2837000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":7621000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":7621000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":2375000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":2375000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":10159000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2453000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4920000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":2467000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":7355000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":2435000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"PublicUtilitiesApprovedRateIncreaseDecreasePercentage":{"label":"Public Utilities, Approved Rate Increase (Decrease), Percentage","description":"Percentage of public utility's approved rate increase (decrease) by regulatory agency.","units":{"pure":[{"start":"2019-01-01","end":"2019-01-31","val":0.0698,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"PublicUtilitiesApprovedReturnOnEquityPercentage":{"label":"Public Utilities, Approved Return on Equity, Percentage","description":"Percentage of public utility's approved return on equity.","units":{"pure":[{"start":"2019-01-01","end":"2019-01-31","val":0.098,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation":{"label":"Public Utilities, Property, Plant and Equipment, Accumulated Depreciation","description":"Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.","units":{"USD":[{"end":"2009-12-31","val":314627000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":314627000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":314627000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":326326000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":331979000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":337993000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":337993000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":337993000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":337993000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":337993000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":344365000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":346603000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":351436000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":357245000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":357245000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":357245000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":357245000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":357245000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":363060000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":367710000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":373064000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":373199000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":373199000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":373199000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":373199000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":373199000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":378765000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":384762000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":388511000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":392029000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":392029000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":392029000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":392029000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":392029000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":398954000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":405013000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":410413000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":413597000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":413597000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":413597000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":413597000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":413597000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":419223000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":426190000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":431327000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":440473000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":440473000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":440473000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":440473000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":440473000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":450001000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":459015000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":467359000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":471222000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":476774000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":480248000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":489755000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":498161000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":504936000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":509797000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":781824000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":787243000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":787243000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":787243000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":787243000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":787243000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":799637000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":815987000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":842918000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":843998000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":843998000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":843998000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":843998000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":843998000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":860010000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":881797000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":908184000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":914122000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":914122000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":914122000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":914122000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":914122000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":940177000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":950763000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":970861000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":975619000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":975619000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":975619000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":975619000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":997976000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1005538000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1024072000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentCommon":{"label":"Public Utilities, Property, Plant and Equipment, Common","description":"Period end amount of property, plant and equipment (PPE) related to regulated assets common to business units.","units":{"USD":[{"end":"2017-12-31","val":175599000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":303219000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":303219000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":310785000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":310785000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":428737000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":428737000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":430940000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress":{"label":"Public Utilities, Property, Plant and Equipment, Construction Work in Progress","description":"Period end amount of construction work in progress in public utility.","units":{"USD":[{"end":"2017-12-31","val":109566000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":148873000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":148873000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":201150000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":201150000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":73563000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":73563000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":117722000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService":{"label":"Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service","description":"Composite depreciation rate for public utility plants in service.","units":{"pure":[{"start":"2009-01-01","end":"2009-12-31","val":0.023,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0.024,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.024,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.023,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.023,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.023,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.024,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.024,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.024,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.023,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0.023,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0.023,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.022,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0.022,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":0.022,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.022,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":0.022,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0.022,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0.022,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.023,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"PublicUtilitiesPropertyPlantAndEquipmentDistribution":{"label":"Public Utilities, Property, Plant and Equipment, Distribution","description":"Period end amount of property, plant and equipment (PPE) related to utility distribution.","units":{"USD":[{"end":"2017-12-31","val":2044421000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3466101000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3466101000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3973466000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":3973466000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4330797000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":4330797000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":4703918000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing":{"label":"Public Utilities, Property, Plant and Equipment, Generation or Processing","description":"Period end amount of property, plant and equipment (PPE) related to generation or processing owned by public utility.","units":{"USD":[{"end":"2017-12-31","val":296000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1281000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1281000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1334000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1334000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1334000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1334000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":241000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment":{"label":"Public Utilities, Property, Plant and Equipment, Other Property, Plant and Equipment","description":"Period end book value of other property, plant and equipment (PPE) owned (but not classified elsewhere) by the public utility.","units":{"USD":[{"end":"2017-12-31","val":1855000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1964000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1964000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1955000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1955000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1955000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1955000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1955000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentPlantInService":{"label":"Public Utilities, Property, Plant and Equipment, Plant in Service","description":"Period end amount of total gross PPE.","units":{"USD":[{"end":"2009-12-31","val":1275792000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":1275792000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":1275792000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1331907000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1352935000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1384797000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":1384797000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":1384797000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":1384797000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":1384797000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1403985000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1437113000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1472488000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1515274000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":1515274000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":1515274000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":1515274000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":1515274000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1553865000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1590771000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1625431000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1658790000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1658790000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":1658790000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":1658790000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":1658790000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1693041000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1735375000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1776502000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1816804000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1816804000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":1816804000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":1816804000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":1816804000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1846704000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1902141000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1955876000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2002966000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":2002966000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2002966000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2002966000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":2002966000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2042333000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2101634000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2151526000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2211239000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":2211239000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2211239000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":2211239000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":2211239000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2261409000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2310223000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2358302000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2424134000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2479539000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2536251000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2591246000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":2652244000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2696087000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2748076000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4200565000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4341113000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4341113000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":4341113000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":4341113000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":4341113000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4427438000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4660845000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4776014000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4905350000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":4905350000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":4905350000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":4905350000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":4905350000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5000554000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5040204000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5150209000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5265661000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":5265661000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":5265661000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":5265661000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":5265661000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5350943000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5451720000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5566423000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5682805000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":5682805000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":5682805000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":5682805000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5775603000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5870464000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5995962000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentTransmission":{"label":"Public Utilities, Property, Plant and Equipment, Transmission","description":"Period end amount of property, plant and equipment (PPE) related to utility transmission owned by public utility.","units":{"USD":[{"end":"2017-12-31","val":258598000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":326906000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":326906000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":332049000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":332049000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":338981000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":338981000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":345716000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"PublicUtilitiesRequestedRateIncreaseDecreaseAmount":{"label":"Public Utilities, Requested Rate Increase (Decrease), Amount","description":"Amount of public utility's requested rate increase (decrease) with regulatory agency.","units":{"USD":[{"start":"2019-01-01","end":"2019-01-31","val":90000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax":{"label":"Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":-32000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":16000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":399000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":431000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-1438000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":91000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-58000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-149000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-113000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":-55000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-4408000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-37000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-68000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-31000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-103000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":-36000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-2412000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1515000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1522000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-7000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-1529000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-7000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1536000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-1536000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-1536000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-9000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-17000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-25000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-8000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-34000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-34000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-8000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-8000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-25000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-9000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-35000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-8000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-16000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-8000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"}]}},"ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent":{"label":"Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":-25000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-9000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"}]}},"RegulatedOperatingRevenue":{"label":"Regulated Operating Revenue","description":"The total amount of regulated operating revenues recognized during the period.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":670715000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":521178000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":106832000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":613555000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":92377000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":896874000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":896874000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":386881000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":532727000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":532727000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":145846000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":145846000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":636110000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":636110000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":103383000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":103383000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":918428000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":918428000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":402616000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":402616000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":546886000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":546886000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":144270000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":144270000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":653009000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":653009000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":106123000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":106123000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":958383000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":490219000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":671330000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":181111000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":818591000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":147261000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"RegulatoryAssets":{"label":"Regulatory Assets","description":"The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.","units":{"USD":[{"end":"2010-12-31","val":248413000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":248413000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":248413000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":241754000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":257632000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":315221000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":315221000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":314448000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":316256000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":324161000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":335089000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":326406000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":326727000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":309290000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":314725000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":332243000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":335009000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":335182000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":339192000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":356962000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":380364000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":397071000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":424990000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":445312000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":477457000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":491629000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":476635000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"RegulatoryAssetsNoncurrent":{"label":"Regulatory Assets, Noncurrent","description":"Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.","units":{"USD":[{"end":"2009-12-31","val":240462000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":240462000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":240462000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":236573000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":245477000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":248413000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":248413000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":248413000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":248413000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":248413000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":239436000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":241754000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":257632000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":315221000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":315221000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":315221000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":314448000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":316256000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":324161000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":352656000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":335089000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":326406000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":326727000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":296081000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":309290000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":314725000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":332243000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":357160000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":335009000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":335182000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":339192000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":323434000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":356962000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":380364000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":397071000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":410746000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":424990000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":445312000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":477457000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":469224000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":491629000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":476635000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":628977000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":662969000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":662969000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":662969000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":662969000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":662969000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":624187000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":682264000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":719426000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":665932000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":665932000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":665932000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":665932000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":665932000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":699426000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":648769000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":659724000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":673992000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":673992000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":673992000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":673992000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":673992000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":650710000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":670176000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":669487000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":672416000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":672416000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":672416000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":672416000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":624229000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":643014000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":646349000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"RegulatoryLiabilities":{"label":"Regulatory Liabilities","description":"The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.","units":{"USD":[{"end":"2010-12-31","val":69248000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":69248000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":69248000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":56069000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":49637000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":48311000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":48311000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":48822000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":47946000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":46156000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":73598000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":60615000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":52219000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":48158000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":49792000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":46104000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":66526000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":64655000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":62461000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":55373000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":60010000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":51050000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":37308000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":24655000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":23485000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":300358000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":299382000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"RegulatoryLiabilityNoncurrent":{"label":"Regulatory Liability, Noncurrent","description":"The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.","units":{"USD":[{"end":"2009-12-31","val":50193000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":50193000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":50193000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":56324000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":51013000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":69248000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":69248000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":69248000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":69248000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":69248000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":61146000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":56069000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":49637000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":48311000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":48311000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":48311000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":48822000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":47946000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":46156000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":56517000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":73598000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":60615000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":52219000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":60949000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":48158000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":49792000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":46104000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":41899000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":66526000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":64655000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":62461000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":42841000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":55373000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":60010000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":51050000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":49121000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":37308000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":24655000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":23485000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":287105000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":300358000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":299382000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":481512000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":478499000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":478499000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":478499000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":478499000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":478499000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":478592000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":457958000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":442164000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":442918000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":442918000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":442918000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":442918000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":442918000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":430498000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":434148000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":428939000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":420577000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":420577000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":420577000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":420577000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":420577000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":418089000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":404826000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":418422000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":398951000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":398951000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":398951000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":398951000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":443639000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":408942000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":408599000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"RelatedPartyTransactionRate":{"label":"Related Party Transaction, Rate","description":"Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.","units":{"pure":[{"start":"2015-01-01","end":"2015-12-31","val":0.075,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.075,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.075,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0.075,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.075,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"RepaymentsOfLongTermCapitalLeaseObligations":{"label":"Repayments of Long-term Capital Lease Obligations","description":"The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":10600000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":10600000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":10600000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":10600000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"RepaymentsOfLongTermDebt":{"label":"Repayments of Long-term Debt","description":"The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":25106000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":72000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-01-01","end":"2009-09-30","val":100000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-01-01","end":"2009-12-31","val":9985000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":9985000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-01-01","end":"2010-12-31","val":10000000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":10000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":10000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-01-01","end":"2011-09-30","val":25000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":25000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":25000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":25000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":25000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":25000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":35000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":35000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":35000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":35000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":35000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":35000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":35000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":25000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":25000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":25000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":25000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":25000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":21000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":21000000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":21000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":21000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":21000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":64000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":64000000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":74100000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":74100000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":125009000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":125009000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":125009000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":125009000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":12905000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":12905000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":13078000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":13078000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":48457000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":48457000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":49366000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":49366000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":49366000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":49366000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":200000000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":200000000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":277400000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":277400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":292400000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":292400000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":293309000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":293309000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":293309000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":293309000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":10000000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":10000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":768909000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":768909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":768909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":400000000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":400000000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":575000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":575000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":725000000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":725000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":733909000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":733909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":733909000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":450000000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":450000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":660000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":660000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":667909000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":667909000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2500000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":2500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":100000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":100000000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":110000000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":110000000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":117909000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2500000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":48176000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":58175000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"RestrictedCashCurrent":{"label":"Restricted Cash, Current","description":"Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q4I"},{"end":"2018-06-30","val":1740380000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2009-12-31","val":271505000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":271505000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":271505000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":281909000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":283217000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":297473000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":297473000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":297473000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":297473000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":297473000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":337988000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":333134000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":317025000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":341677000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":341677000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":341677000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":341677000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":341677000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":383552000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":381633000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":371135000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":382127000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":382127000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":382127000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":382127000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":382127000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":410891000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":397611000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":382056000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":406041000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":406041000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":406041000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":406041000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":406041000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":438429000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":432438000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":412336000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":439218000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":439218000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":439218000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":439218000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":439218000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":475614000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":471676000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":441789000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":474167000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":474167000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":474167000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":474167000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":474167000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":523454000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":497648000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":486328000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":510597000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":527115000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":497854000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":438584000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":420351000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":420351000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":420351000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":420351000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":509255000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":391538000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":321912000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":343258000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":343258000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":343258000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":343258000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":343258000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":402333000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":362372000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":301007000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":313237000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":313237000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":313237000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":313237000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":313237000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":387002000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":357086000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":317007000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":355678000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":355678000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":355678000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":355678000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":355678000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":453823000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":322988000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":262842000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":310433000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":310433000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":310433000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":310433000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":403244000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":346374000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":270403000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"RevenueFromContractWithCustomerExcludingAssessedTax":{"label":"Revenue from Contract with Customer, Excluding Assessed Tax","description":"Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":443979000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":645833000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":201854000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":960300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":314467000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1510174000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1510174000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1510174000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":606677000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":606677000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":838517000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":838517000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":231840000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":231840000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1107360000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1107360000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":268843000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":268843000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1552547000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1552547000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":1552547000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":475956000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":475956000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":750669000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":750669000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":274714000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":274714000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1077434000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":1077434000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":315148000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":315148000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1560083000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1560083000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":762283000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":762283000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1158965000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":1158965000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":396682000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":396682000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1678048000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":1678048000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":519083000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":519083000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":2318830000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":914890000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1613415000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":698527000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":2350569000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":737154000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"RevenueFromContractWithCustomerIncludingAssessedTax":{"label":"Revenue from Contract with Customer, Including Assessed Tax","description":"Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":443979000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":645833000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":201854000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":960300000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":314467000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1510174000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"RevenueNotFromContractWithCustomer":{"label":"Revenue Not from Contract with Customer","description":"Amount of revenue that is not accounted for under Topic 606.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":13800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":21300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":8800000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":22500000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1200000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":29000000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":29000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":47700000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":44600000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":44600000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-3100000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-3100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":26600000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":26600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-6400000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-6400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":38100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":38100000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1000000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1000000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2100000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":2100000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":1000000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":1000000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":2500000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":2500000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":400000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":17800000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-6200000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-9000000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":-2900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-5600000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":3500000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":961977000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":496659000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":134483000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":623746000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":127087000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":845444000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":845444000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":329283000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":329283000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":480931000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":480931000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":151648000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":151648000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":151648000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":641598000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":641598000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":160667000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":160667000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":160667000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":925067000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":925067000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":925067000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":283469000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":331922000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":331922000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":331922000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":331922000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":492399000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":492399000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":160477000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":160477000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":160477000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":160477000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":630020000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":630020000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":137621000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":137621000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":137621000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":137621000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":828560000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":828560000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":828560000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":198540000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":198540000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":274832000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":274832000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":274832000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":274832000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":396745000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":396745000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":121913000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":121913000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":121913000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":121913000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":508722000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":508722000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":111977000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":111977000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":111977000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":111977000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":706280000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":706280000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":706280000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":197558000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":197558000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":255631000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":255631000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":255631000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":255631000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":378222000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":378222000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":122592000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":122592000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":122592000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":122592000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":507030000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":507030000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":128808000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":128808000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":128808000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":128808000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":731421000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":731421000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":731421000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":224390000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":224390000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":350201000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":350201000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":350201000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":350201000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":483472000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":483472000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":133271000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":133271000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":133271000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":133271000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":605899000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":605899000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":122427000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":122427000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":122427000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":122427000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":886996000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":886996000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":886996000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":281097000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":281097000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":382952000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":382952000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":382952000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":382952000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":560662000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":560662000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":177710000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":177710000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":177710000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":177710000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":701725000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":701725000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":141062000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":141062000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":141062000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":141062000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":959568000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":959568000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":959568000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":959568000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":257844000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":257844000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":333035000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":333035000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":333035000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":333035000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":333035000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":487437000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":487437000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":154402000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":154402000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":154402000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":154402000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":154402000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":706519000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":706519000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":219082000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":219082000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":219082000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":219082000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":219082000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1036500000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":1036500000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":1036500000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":1036500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":329981000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":329981000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":329981000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":425829000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":425829000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":425829000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":425829000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":425829000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":670203000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":670203000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":244374000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":244374000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":244374000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":244374000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":244374000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":897330000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":897330000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":227127000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":227127000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":227127000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":227127000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":227127000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1243068000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":1243068000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":1243068000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1243068000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":345738000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":345738000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":345738000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":521945000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":521945000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":521945000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":521945000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":749275000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":749275000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":227330000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":227330000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":227330000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":227330000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1051755000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":1051755000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":302480000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":302480000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":302480000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":302480000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1641338000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1641338000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1641338000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":589583000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":589583000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":637298000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":637298000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":637298000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":637298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":904232000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":904232000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":266934000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":266934000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":266934000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":266934000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1165435000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1165435000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":261203000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":261203000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":261203000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":261203000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1628626000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1628626000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":1628626000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":463191000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":463191000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":534112000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":534112000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":534112000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":794076000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":794076000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":259964000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":259964000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":259964000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1055625000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":1055625000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":261549000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":261549000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":261549000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1541383000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":1541383000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":485758000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":674300000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":674300000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":986128000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":986128000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":311828000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":311828000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1351759000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":1351759000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":365631000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":365631000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1991996000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":824578000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1336009000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":511431000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1944527000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":608518000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"SaleOfStockConsiderationReceivedOnTransaction":{"label":"Sale of Stock, Consideration Received on Transaction","description":"Cash received on stock transaction after deduction of issuance costs.","units":{"USD":[{"end":"2021-03-22","val":40600000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-22","val":40600000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-03-01","end":"2021-03-31","val":40600000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-03-01","end":"2021-03-31","val":40600000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q1I"}]}},"SaleOfStockNumberOfSharesIssuedInTransaction":{"label":"Sale of Stock, Number of Shares Issued in Transaction","description":"The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.","units":{"shares":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":5889830,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":5889830,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":6779661,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6779661,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":6779661,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":6779661,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":6779661,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":6779661,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"end":"2021-03-22","val":1899859,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-22","val":1899859,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-03-01","end":"2021-03-31","val":1899859,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-03-01","end":"2021-03-31","val":1899859,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q1I"},{"start":"2021-01-01","end":"2021-12-31","val":4891579,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":4996062,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4996062,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":4996062,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":1263000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1481000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":1481000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":2047000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":2047000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2047000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2511000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2511000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2511000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2992000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2992000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2992000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3001000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":3001000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":3001000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1893000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":1893000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":1893000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2213000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":2213000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2213000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":2213000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3892000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":3892000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":3892000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":3892000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":5797000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":5797000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":5966000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost (Deprecated 2012-01-31)","description":"Equity-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1652000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1036000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":518000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":1540000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":504000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2022000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":596000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1389000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":1389000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":793000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":793000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1966000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":1966000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":577000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":577000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2510000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":650000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1402000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":752000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2036000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":634000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value (Deprecated 2012-01-31)","description":"The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.","units":{"USD":[{"end":"2011-12-31","val":49.707,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value","description":"Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.","units":{"USD/shares":[{"start":"2012-01-01","end":"2012-12-31","val":49.43,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":50.28,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":49.49,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":26.56,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":25.11,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":28.77,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":28.77,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":28.75,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":31.57,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).","units":{"USD/shares":[{"start":"2011-01-01","end":"2011-06-30","val":51.407,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":51.407,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":51.407,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":54.569,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":54.567,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":54.567,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":54.567,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":48.488,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":48.488,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":48.488,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":48.49,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":50.13,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":50.12,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":50.12,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":49.4,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":28.69,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":28.69,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":28.67,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":28.67,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":23.07,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":23.28,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":23.28,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":23.28,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":33.24,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":33.24,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":33.24,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":33.24,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":33.24,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":31.17,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":31.17,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":31.17,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":31.17,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26.89,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":30.94,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":31.03,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":31.03,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value","description":"Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.","units":{"USD/shares":[{"end":"2010-12-31","val":39.049,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":39.049,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":39.049,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":42.901,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":42.901,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":44.112,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":44.112,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":44.112,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":44.112,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":44.112,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-30","val":47.305,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2012-03-30","val":47.3,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q1I"},{"end":"2012-09-30","val":47.3,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":51.292,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":51.292,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":51.292,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":51.292,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":51.29,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":50.775,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":50.78,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":50.582,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":50.73,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":50.73,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":50.73,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":50.73,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":50.73,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":50.3,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":50.33,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":50.33,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":48.79,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":24.4,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":24.4,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":24.4,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":24.4,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":26.13,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":26.1,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":26.1,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":26.89,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":26.89,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":26.89,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":26.89,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":26.89,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":24.7,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":24.8,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24.8,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":24.96,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":28.44,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":28.53,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":28.53,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":28.6,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29.46,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":29.52,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":29.56,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":29.57,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":29.57,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":29.57,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":29.57,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31.37,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31.46,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":31.5,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":31.5,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.","units":{"USD/shares":[{"start":"2011-01-01","end":"2011-06-30","val":43.3,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":43.3,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":40.041,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":49.43,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":47.919,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":47.919,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":39.67,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":45.809,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":45.809,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":45.809,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":49.2,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":52.19,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":52.19,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":52.19,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":53.42,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":27.26,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":27.26,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":27.26,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":24.57,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":29.3,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":29.3,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":29.3,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":25.69,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":24.75,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":24.75,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":24.75,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":24.81,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":24.81,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":30.56,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":30.56,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":30.56,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":26.24,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26.04,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":26.04,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":26.09,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":26.07,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized","description":"Number of shares authorized for issuance under share-based payment arrangement.","units":{"shares":[{"end":"2011-06-30","val":2000000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2000000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2000000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2000000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2000000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2000000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2000000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price of options that were either forfeited or expired.","units":{"USD/shares":[{"start":"2012-01-01","end":"2012-06-30","val":49.43,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":49.43,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2013-01-01","end":"2013-06-30","val":50.302,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":50.145,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2014-01-01","end":"2014-03-31","val":50.24,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":49.85,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":49.85,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2015-01-01","end":"2015-03-31","val":24.13,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":26.56,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":26.56,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2016-01-01","end":"2016-03-31","val":26.24,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":25.1,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":25.11,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-09-30","val":28.7,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2018-01-01","end":"2018-03-31","val":28.21,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":28.34,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":28.72,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":31.73,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":31.6,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":31.58,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3I"},{"end":"2017-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-06-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2018-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2018-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2019-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2020-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3I"},{"end":"2021-03-31","val":0,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3I"},{"end":"2022-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1":{"label":"Share-based Payment Arrangement, Expensed and Capitalized, Amount","description":"Amount of cost expensed and capitalized for award under share-based payment arrangement.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":3892000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":4254000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":4144000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":3968000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1280000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":5209000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1511000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3048000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":1537000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4570000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":4570000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":1522000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1522000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5797000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":5797000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1274000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":1274000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2926000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":2926000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":1651000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":1651000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":4365000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":4365000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":1440000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":1440000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5966000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1429000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2905000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":1476000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":3996000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":1091000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"ShortTermBankLoansAndNotesPayable":{"label":"Short-term Bank Loans and Notes Payable","description":"Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.","units":{"USD":[{"end":"2009-12-31","val":196600000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":196600000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":196600000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":159650000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":224200000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":250687000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":250687000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":250687000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":250687000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":250687000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":152487000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":195037000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":262837000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":321400000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":321400000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":321400000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":321400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":321400000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":344700000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":323300000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":315400000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":338900000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":338900000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":338900000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":338900000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":338900000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":248400000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":295700000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":377500000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":353900000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":353900000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":353900000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":353900000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":353900000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":324300000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":206700000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":149400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":245700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":245700000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":245700000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":245700000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":245700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":272400000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":366000000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":351400000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":431700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":431700000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":431700000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":431700000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":431700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":339500000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":145400000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":230200000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":296100000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":205100000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":296300000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":280100000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":346400000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":248100000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":336400000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":421400000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":270500000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":270500000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":270500000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":270500000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":270500000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":355121000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":680002000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":812300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":848700000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":848700000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":848700000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":848700000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":848700000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":697300000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":452800000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":597000000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":596400000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":596400000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":596400000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":596400000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":596400000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":171300000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":24700000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":142500000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":334000000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":334000000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":334000000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":334000000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":90700000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":333900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":203200000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2009-12-31","val":543601000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":543601000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":543601000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":554539000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":556218000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":570097000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":570097000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":570097000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":570097000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":570097000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":610081000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":606270000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":595473000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":624114000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":624114000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":667792000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":672750000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":695796000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":777791000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":770593000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":757477000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":865042000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":871894000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":863974000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2014Q4I"},{"end":"2015-03-31","val":971485000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":969977000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":946828000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1093442000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1277547000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1281497000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-03-31","val":1281497000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-03-31","val":1281497000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1303717000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-06-30","val":1303717000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1234832000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1476472000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":1476472000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-06-30","val":1476472000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1416787000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1666329000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-12-31","val":1660881000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1660881000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1660881000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1660881000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1660881000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1737118000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1887399000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1828587000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1989152000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1989152000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1989152000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1989152000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2182591000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":2126930000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2052155000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":{"label":"Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest","description":"Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.","units":{"USD":[{"end":"2007-12-31","val":481520000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2007Q4I"},{"end":"2008-12-31","val":516448000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2008-12-31","val":516448000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2008Q4I"},{"end":"2009-12-31","val":544564000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":544564000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":544564000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2009-12-31","val":544564000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2009-12-31","val":544564000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":554539000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":556218000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":570097000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":570097000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":570097000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":570097000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":624114000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2011-12-31","val":624114000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2011Q4I"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2012-12-31","val":736214000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2012Q4I"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2013-12-31","val":827000000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":932432000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":1037539000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-09-30","val":1267379000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1289240000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1307898000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1279249000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1221350000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":1192409000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1281497000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1303717000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1234832000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2018-12-31","val":1267022000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2019-03-31","val":1514554000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1476472000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":1476472000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1416787000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-09-30","val":1416787000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2019-12-31","val":1423785000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-03-31","val":1497283000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1666329000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2020-06-30","val":1666329000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-06-30","val":1666329000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-06-30","val":1666329000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1631953000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-09-30","val":1631953000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2020-12-31","val":1666876000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-03-31","val":1743242000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1894824000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2021-06-30","val":1894824000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-06-30","val":1894824000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-06-30","val":1894824000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1836044000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2021-09-30","val":1836044000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1999441000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":1999441000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":1999441000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":1999441000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2192928000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2022-03-31","val":2192928000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2022-03-31","val":2192928000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1I"},{"end":"2022-06-30","val":2137343000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2022-06-30","val":2137343000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2063774000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"StockholdersEquityNoteStockSplitConversionRatio1":{"label":"Stockholders' Equity Note, Stock Split, Conversion Ratio","description":"Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.","units":{"pure":[{"end":"2015-02-26","val":2,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1I"},{"end":"2015-02-26","val":2,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-02-26","val":2,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-02-26","val":2,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-02-26","val":2,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-02-26","val":2,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-05-08","val":2,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-05-08","val":2,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-05-08","val":2,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-05-08","val":2,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2015-05-08","val":2,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"}]}},"StockIssuedDuringPeriodSharesDividendReinvestmentPlan":{"label":"Stock Issued During Period, Shares, Dividend Reinvestment Plan","description":"Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.","units":{"shares":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":40,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":105524,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":259359,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":259359,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":259359,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":54230,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":185746,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":827115,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":1397583,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1397583,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1397583,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":137546,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":231485,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":256210,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":983417,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":983417,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":1966834,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":95662,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":313522,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":516050,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":1440778,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":2881556,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":2881556,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":63690,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":116884,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":366262,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":2604424,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":2604424,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":2604424,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":2604424,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":229522,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":416862,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":416862,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":417095,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":417095,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":417095,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":417095,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-05-01","end":"2016-05-31","val":8050000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2I"},{"start":"2016-01-01","end":"2016-06-30","val":8050000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":8050000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":8050000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":8050000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":8050000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":8050000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":5889830,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":5889830,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":5889830,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":8122283,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":8122283,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":8122283,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":8122283,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1899859,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":11694984,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-09-30","val":11694984,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":11694984,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"StockIssuedDuringPeriodSharesShareBasedCompensation":{"label":"Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture","description":"Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).","units":{"shares":[{"start":"2009-01-01","end":"2009-12-31","val":67535,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":76593,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":76593,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":81491,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":81491,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":80269,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":80269,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":80269,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":43226,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":43226,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":43226,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-12-31","val":43226,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":43226,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":43226,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":78363,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":78363,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":78363,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":78363,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":78363,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":156726,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":11610,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":11610,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-09-30","val":11610,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":11610,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":23220,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":23220,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":25398,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":26338,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":26338,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-12-31","val":26338,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":26338,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":26338,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":26338,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":43023,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":45338,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-09-30","val":45338,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-12-31","val":45338,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":45338,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":45338,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":45338,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":69943,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":70959,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":71025,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":71025,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":71025,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":71025,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":71025,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":63809,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":67076,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":67308,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":67308,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":67308,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":67308,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":102797,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":104470,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":106997,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":108276,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":108276,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":108276,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":49770,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":69612,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":71474,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":75502,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":75502,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":80051,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":159054,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-09-30","val":161571,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":161990,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":70872,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":128238,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":128238,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":84000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":96000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":96000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":424000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":424000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1802000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1802000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1327000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":1327000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1815000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":3630000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":3289000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":3289000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":10640000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":10640000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":10640000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":89000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":89000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":89000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":7447000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":7447000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":8610000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit":{"label":"Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) (Deprecated 2020-01-31)","description":"Amount of reasonable estimate for income tax expense (benefit) for which accounting for tax effect is incomplete pursuant to Tax Cuts and Jobs Act.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":-14100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"TaxesExcludingIncomeAndExciseTaxes":{"label":"Taxes, Miscellaneous","description":"All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":12121000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":6834000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":1667000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":8483000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":1649000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":11731000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":11731000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":4872000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":4872000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":6821000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":6821000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":1949000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":1949000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":1949000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":8462000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":8462000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1642000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1642000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":1642000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":12142000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":12142000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":12142000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":3679000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":5300000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":5300000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":5300000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":5300000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":7421000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":7421000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":2121000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":2121000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":2121000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":2121000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":9094000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":9094000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":1673000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":1673000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":1673000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":1673000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":12189000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12189000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12189000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":3095000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":3095000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":3878000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":3878000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":3878000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":3878000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":5743000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":5743000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":1865000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":1865000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":1865000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":1865000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":7237000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":7237000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":1494000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":1494000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":1494000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":1494000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":9986000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9986000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9986000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":2749000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":2749000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":3833000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":3833000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":3833000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":3833000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5497000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":5497000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":1664000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":1664000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":1664000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":1664000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":6955000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":6955000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":1458000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":1458000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":1458000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":1458000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":9816000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":9816000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":9816000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":2861000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":2861000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":1953000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":1953000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":1953000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":1953000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3194000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":3194000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":1241000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":1241000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":1241000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":1241000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":4390000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":4390000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":1196000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":1196000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":1196000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":1196000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":5720000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":5720000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":5720000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1330000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":1330000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":2196000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":2196000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":2196000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":2196000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3461000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":3461000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":1265000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1265000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":1265000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":1265000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":4693000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":4693000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":1231000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":1231000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":1231000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":1231000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":6026000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":6026000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":6026000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":6026000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":1334000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":1334000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":1925000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1925000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":1925000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":1925000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":1925000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3168000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":3168000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":1243000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":1243000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":1243000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":1243000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":1243000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":4617000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":4617000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":1449000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":1449000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":1449000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":1449000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":1449000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":6342000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":6342000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":6342000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":6342000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":1725000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":1725000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":1725000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":2071000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":2071000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":2071000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":2071000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":2071000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3622000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":3622000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":1551000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":1551000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":1551000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":1551000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":1551000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":5139000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":5139000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":1517000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1517000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":1517000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":1517000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":1517000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":6487000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":6487000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":6487000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6487000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":1348000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":1348000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":1348000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":2439000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":2439000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":2439000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":2439000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3682000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":3682000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1243000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1243000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":1243000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1243000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":6277000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":6277000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":2595000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":2595000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":2595000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":2595000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":9537000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":9537000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":9537000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":3260000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":3260000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":4217000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":4217000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":4217000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":4217000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6934000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":6934000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":2717000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":2717000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":2717000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":2717000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":9597000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":9597000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":2663000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":2663000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":2663000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":2663000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":11996000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":11996000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":11996000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":2399000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":2399000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":3862000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":3862000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":3862000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":6498000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":6498000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":2636000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":2636000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":2636000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":9228000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":2730000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":2730000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":11918000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":11918000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":2690000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":3983000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":3983000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":6795000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":6795000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":2812000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":2812000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":1435000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":4775000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":8113000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":3338000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"}]}},"TaxesPayableCurrent":{"label":"Taxes Payable, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2009-12-31","val":6518000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":6518000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6518000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":9589000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":5648000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":6709000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":6709000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":6709000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":6709000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":6709000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":13761000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":3199000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2896000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3168000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":3168000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":3168000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":3168000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":3168000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":6102000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2068000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2094000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2156000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2156000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":2156000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":2156000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":2156000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8918000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2462000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2814000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3234000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":3234000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":3234000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":3234000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":3234000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9677000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2411000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2400000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2328000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":2328000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2328000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2328000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":2328000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9197000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3010000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2353000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2336000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":2336000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2336000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":2336000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":2336000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3737000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2832000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3134000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":2082000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6288000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2358000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2467000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":2932000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6814000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2529000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3924000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5881000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5881000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":5881000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":5881000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5881000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10715000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2671000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2567000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2235000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":2235000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":2235000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":2235000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":2235000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":9311000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3028000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4839000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6025000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":6025000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":6025000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":6025000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":6025000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":14560000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":8159000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5471000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4937000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":4937000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":4937000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":4937000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7844000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4559000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2276000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"TreasuryStockShares":{"label":"Treasury Stock, Shares","description":"Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.","units":{"shares":[{"end":"2010-12-31","val":143546,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":143546,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":143546,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":146406,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":147467,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":154718,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":154718,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":154718,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":154718,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":154718,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":116232,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":143742,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":144864,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":145414,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":145414,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":145414,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":145414,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":145414,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":133687,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":134783,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":135831,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":148890,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":148890,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":148890,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":148890,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":148890,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":129929,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":128979,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":130007,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":131789,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":263578,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":263578,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":263578,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":263578,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":227432,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":229536,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":231749,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":236571,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":236571,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":236571,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":236571,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":236571,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":209298,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":207573,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":209296,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":212617,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":212617,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":212617,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":212617,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":212617,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":212617,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":215274,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":211217,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":213061,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":216642,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":216642,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":216642,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":216642,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":216642,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":216642,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":219136,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":225333,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":229222,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":233482,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":233482,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":233482,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":233482,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":233482,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":220339,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":226245,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":227426,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":231514,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":231514,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":231514,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":231514,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":231514,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":219136,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":248411,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":251524,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":256372,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":256372,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":229978,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"TreasuryStockValue":{"label":"Treasury Stock, Value","description":"The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.","units":{"USD":[{"end":"2009-12-31","val":183000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2009-12-31","val":183000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":183000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-06-30","val":180000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":178000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":179000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":179000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":179000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":179000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":179000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":188000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":183000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":184000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":193000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":193000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":193000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":193000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":193000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":145000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":180000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":181000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":182000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":182000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":182000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":182000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":182000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":167000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":169000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":170000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":186000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":186000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":186000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":186000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":186000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":162000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":161000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":163000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":165000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":330000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":330000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":330000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":330000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":284000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":287000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":290000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":296000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":296000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":296000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":296000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":296000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":262000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":259000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":262000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":266000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":266000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":266000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":266000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":266000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":266000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4I"},{"end":"2017-03-31","val":269000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-06-30","val":264000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":266000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":271000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":271000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":271000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"end":"2017-12-31","val":271000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"end":"2017-12-31","val":271000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"end":"2017-12-31","val":271000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":274000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":282000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":287000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":292000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":292000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":292000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":292000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":292000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":275000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":283000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":284000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":289000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":289000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-31","val":289000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"end":"2019-12-31","val":289000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":289000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-03-31","val":274000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-30","val":311000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2I"},{"end":"2020-09-30","val":314000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":321000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":321000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":321000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":321000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":321000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-03-31","val":264000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":268000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-30","val":280000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":287000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":287000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":287000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":287000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":255000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":316000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":319000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"UnamortizedDebtIssuanceExpense":{"label":"Unamortized Debt Issuance Expense","description":"The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.","units":{"USD":[{"end":"2009-12-31","val":6788000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2009-12-31","val":6788000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"end":"2009-12-31","val":6788000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":7094000,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":7527000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2010Q3I"},{"end":"2010-12-31","val":7583000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2010-12-31","val":7583000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"end":"2010-12-31","val":7583000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":7583000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"end":"2010-12-31","val":7583000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2011-03-31","val":7390000,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09","frame":"CY2011Q1I"},{"end":"2011-06-30","val":7263000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":7129000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2011Q3I"},{"end":"2011-12-31","val":7009000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"end":"2011-12-31","val":7009000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":7009000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":7009000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":7009000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2012-03-31","val":7401000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2012Q1I"},{"end":"2012-06-30","val":8727000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":9107000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":8226000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2012-12-31","val":8226000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":8226000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":8226000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"end":"2012-12-31","val":8226000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":8033000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2013Q1I"},{"end":"2013-06-30","val":7820000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7632000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":7803000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2013-12-31","val":7803000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":7803000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":7803000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":7803000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2014-03-31","val":8732000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2014Q1I"},{"end":"2014-06-30","val":9472000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":10114000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":9795000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2014-12-31","val":9795000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-12-31","val":9795000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":9795000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":9795000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2015-03-31","val":9449000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":9106000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":8813000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8967000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015Q4I"}]}},"UnbilledReceivablesCurrent":{"label":"Unbilled Receivables, Current","description":"Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2020-12-31","val":85423000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q4I"},{"end":"2021-09-30","val":26783000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":87357000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"end":"2021-12-31","val":87357000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":87357000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q4I"},{"end":"2022-03-31","val":74296000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1I"},{"end":"2022-06-30","val":23012000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-30","val":22021000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"}]}},"UnrealizedGainLossOnDerivatives":{"label":"Unrealized Gain (Loss) on Derivatives","description":"The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2174000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1210000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-1210000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":641000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-641000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-641000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-149000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":660000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":2760000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":96000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":647000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-2100000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":4100000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2017-01-01","end":"2017-12-31","val":-677000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":4700000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1337000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4100000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-12-31","val":4100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1337000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":1337000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2200000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-9000000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":600000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":-2798000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-2798000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-2798000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":4760000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":4760000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"UnrealizedGainLossOnEnergyContracts":{"label":"Unrealized Gain (Loss) on Energy Contracts","description":"The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open agreements to purchase or sell energy at some future point, held at each balance sheet date, that was included in earnings for the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-9317000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":14815000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":-14815000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":22624000,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":-22624000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-22624000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":5377000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5377000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5377000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-193000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-193000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-193000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-25823000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":-25823000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":-25823000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-6592000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":-6592000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":-6592000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":8401000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":8401000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":8401000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":8401000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":26935000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":26935000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":26935000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":26935000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-13667000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":-13667000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-13667000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-13667000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":34447000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":34447000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":34447000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-11748000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":-11748000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":-11748000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":385000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":385000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":5567000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2008-12-31","val":1722000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2008Q4I"},{"end":"2009-12-31","val":1098000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2009-12-31","val":1098000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":793000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":793000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":793000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":736000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":736000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":736000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2011-12-31","val":736000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2011Q4I"},{"end":"2012-12-31","val":503000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":503000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":503000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2012-12-31","val":503000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2012Q4I"},{"end":"2013-12-31","val":547000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":547000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":547000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2013-12-31","val":547000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":552000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":552000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":552000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2014-12-31","val":552000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2014-12-31","val":552000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":559000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":559000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":559000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":559000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2015-12-31","val":559000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1445000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":1445000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":1445000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":1445000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":1445000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1445000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":1445000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":1445000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":1445000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2017-12-31","val":1445000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1147000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1147000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":1147000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1566000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1566000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2372000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities","description":"Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":220000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":220000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":86000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":86000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":86000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":298000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":298000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":298000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued":{"label":"Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued","description":"Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"end":"2009-12-31","val":1000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":700000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2010-12-31","val":700000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":700000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":700000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":700000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":600000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":600000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2012-12-31","val":600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2013-12-31","val":600000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":600000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2013-12-31","val":600000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013Q4I"},{"end":"2014-12-31","val":700000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2014-12-31","val":700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":700000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2015-12-31","val":700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2015-12-31","val":700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015Q4I"},{"end":"2016-12-31","val":700000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"end":"2016-12-31","val":700000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2016-12-31","val":700000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2016-12-31","val":700000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-12-31","val":800000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":800000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"end":"2017-12-31","val":800000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-12-31","val":800000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4I"},{"end":"2019-12-31","val":800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2019-12-31","val":800000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019Q4I"},{"end":"2020-12-31","val":900000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":59000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":119000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":119000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":119000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":44000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":44000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":44000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":5000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":5000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":5000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":7000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":7000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":7000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":7000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":419000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":419000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":806000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020"},{"start":"2021-04-01","end":"2021-06-30","val":13900000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":13900000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-12-31","val":13900000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"start":"2021-01-01","end":"2021-12-31","val":13900000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2021-01-01","end":"2021-12-31","val":13900000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-12-31","val":13900000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021"}]}},"UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations":{"label":"Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations","description":"Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":683000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":85000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":85000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":90000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":90000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":90000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":341000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":341000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":341000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2015"}]}},"UnregulatedOperatingRevenue":{"label":"Unregulated Operating Revenue","description":"The amount of unregulated operating revenues recognized during the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":365180000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":223689000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":90463000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":327517000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":103828000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":455660000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":455660000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":157533000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":253040000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":253040000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":95507000,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":95507000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":332453000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":332453000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":79413000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":79413000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":422818000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":422818000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":422818000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":95630000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":95630000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":158487000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":158487000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":62857000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":62857000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":216465000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":216465000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":57978000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":57978000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":285462000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":285462000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":285462000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":81980000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":81980000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":138531000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":138531000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":56552000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":56552000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":208037000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":208037000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":69506000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":69506000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":286501000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":286501000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":286501000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":139872000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":139872000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":204240000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":204240000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":64368000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":64368000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":265911000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":265911000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":61671000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":61671000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":386244000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":386244000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":386244000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":116422000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":116422000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":218838000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":218838000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":102416000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":102416000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":302393000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":302393000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":83555000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":83555000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":430805000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":430805000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":430805000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":430805000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":149366000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":149366000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":235495000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":235495000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":86129000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":86129000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":393594000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":393594000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":158099000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":158099000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":582681000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":582681000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":582681000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":230060000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":230060000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":392496000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":392496000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":162436000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":162436000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":554150000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":554150000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":161654000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":161654000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":730586000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":730586000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":730586000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":290177000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":290177000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":441904000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":441904000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":151727000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":151727000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":658906000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":658906000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":217002000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":217002000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":970623000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":970623000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":222952000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":222952000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":383054000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":383054000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":160102000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":160102000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":551880000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":551880000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":168826000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":168826000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":731752000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":731752000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":731752000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":147231000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":147231000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":261349000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":261349000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":114118000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":114118000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":419515000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":419515000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":158166000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":158166000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":622955000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":622955000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":271684000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":271684000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":439242000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":439242000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":167558000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":167558000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":698750000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":698750000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":259508000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":259508000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1033613000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":334359000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":664679000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":330320000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1125936000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":461257000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"UtilitiesOperatingExpenseImpairments":{"label":"Utilities Operating Expense, Impairments","description":"Amount of operating expense for impairments of regulated operation.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":300000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":300000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":300000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":300000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":44200000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":44200000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":43900000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":43900000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":87800000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":87800000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":87800000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":87800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":99200000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":99200000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":99200000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":105300000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":105300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":6100000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":6100000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-10-01","end":"2018-12-31","val":6100000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1300000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":1300000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":10800000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":10800000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":10800000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"}]}},"VariableLeaseCost":{"label":"Variable Lease, Cost","description":"Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":400000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":400000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":800000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":800000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1100000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1070000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":300000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":270000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1300000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":1322000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":100000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":300000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":200000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":491000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":190000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":680000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":680000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":162000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":29843,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":29876,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":29902,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":29885000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":29796000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":29893,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":29893000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":29913,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":29913000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":29944,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":29944,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":29975,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":29975,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":29975000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":29962000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":29962000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":30000000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":30000000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":30000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":29974,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":29974000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":29974000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":30008000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":29991,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":29991000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":29991000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":29991000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":30014,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":30014000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":30037,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":30037000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":30037000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":30037000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":30045000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":30045000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30105000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30105000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":30086000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":30086000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":30086000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":30209000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":30209000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":30323000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":30323000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":30323000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":30323000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":30397000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":30397000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":30472000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":30472000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":30472000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":30472000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":30591000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":30591000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":30945000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":30945000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":30945000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":30945000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":30824000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":30824000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":30824000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":31547000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":31547000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":31811000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":31811000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":31811000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":31811000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31912000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":31912000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":32012000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":32012000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":32012000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":32012000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":31959000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":31959000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":32046000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":32046000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":64092000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":32306000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":32306000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":32842000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":32842000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":65684000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":65684000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":32940000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":65880000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":33037000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":33037000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":66074000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":66074000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":33041000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":66082000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":33166000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":33166000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":66332000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":66332000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":33214000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":66428000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":66428000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":33727000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":67454000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":68618000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":68618000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":68618000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":68618000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":68636000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":68636000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":68653000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":68653000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":68653000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":68653000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":68689000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":68689000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":68931000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":68931000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":68931000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":68931000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":69646000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":69646000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":71416000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":71416000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":71416000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":71416000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":71416000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":73506000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":73506000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":75411000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":75411000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":79635000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":79635000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":79635000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":79635000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":79635000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":76475000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":76475000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":76475000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":76475000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":79643000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":79643000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":79643000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":79641000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":79641000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":79641000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":79641000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":79641000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":79670000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":79670000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":79670000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":79670000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":79539000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":79705000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":79705000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":79705000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":79724000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":79724000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":79724000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":79724000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":82302000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":82302000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":83082000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":83082000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":84471000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":84471000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":84471000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":86389000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":86389000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":91432000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":91432000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":91432000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":91432000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":91979000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":91979000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":92158000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":92158000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":92253000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":92253000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":92253000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":92253000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":92253000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":92556000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":92556000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":92556000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":93195000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":93195000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":95724000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":95724000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":96995000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":96995000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":100780000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":101937000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":101937000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":107389000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":107389000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":110902000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":110902000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":109589000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":109589000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":112448000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":112448000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":110120000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":119747000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":122887000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":122442000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":123888000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":122465000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":29707,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":29774,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2009-04-01","end":"2009-06-30","val":29796,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":29782000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2009-07-01","end":"2009-09-30","val":29796000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":29785,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2009-01-01","end":"2009-12-31","val":29785000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":29826,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2010-01-01","end":"2010-03-31","val":29826000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":29850,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-01-01","end":"2010-06-30","val":29850,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":29873,"accn":"0001140361-10-031932","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"start":"2010-04-01","end":"2010-06-30","val":29873,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-04-01","end":"2010-06-30","val":29873000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":29857000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-01-01","end":"2010-09-30","val":29857000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":29873000,"accn":"0001140361-10-044265","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":29873000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2010-07-01","end":"2010-09-30","val":29873000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":29861,"accn":"0001140361-11-013012","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":29861000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":29861000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":29873000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":29899,"accn":"0001140361-11-026003","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-09"},{"start":"2011-01-01","end":"2011-03-31","val":29899000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":29899000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2011-01-01","end":"2011-03-31","val":29899000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":29926,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":29926000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":29953,"accn":"0001140361-11-040290","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":29953000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-04-01","end":"2011-06-30","val":29953000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2011-04-01","end":"2011-06-30","val":29953000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":29961000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":29961000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0001445305-11-003306","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-07-01","end":"2011-09-30","val":30029000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":30000000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":30000000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":30000000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":30117000,"accn":"0001445305-12-000502","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-10-01","end":"2011-12-31","val":30117000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":30249000,"accn":"0001445305-12-001511","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-07"},{"start":"2012-01-01","end":"2012-03-31","val":30249000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":30249000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2012-01-01","end":"2012-03-31","val":30249000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":30321000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-01-01","end":"2012-06-30","val":30321000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":30393000,"accn":"0000091928-12-000040","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"2012-04-01","end":"2012-06-30","val":30393000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":30393000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":30393000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":30502000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":30502000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":30861000,"accn":"0000091928-12-000057","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-07-01","end":"2012-09-30","val":30861000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":30861000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":30861000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":30744000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":30744000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":30744000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":31465000,"accn":"0000091928-13-000022","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":31465000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":31757000,"accn":"0000091928-13-000048","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-03"},{"start":"2013-01-01","end":"2013-03-31","val":31757000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":31757000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":31757000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31853000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-01-01","end":"2013-06-30","val":31853000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":31949000,"accn":"0000091928-13-000066","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":31949000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-04-01","end":"2013-06-30","val":31949000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2013-04-01","end":"2013-06-30","val":31949000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":31898000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":31898000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-13-000082","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-07-01","end":"2013-09-30","val":31984000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":31989000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":31989000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2013-01-01","end":"2013-12-31","val":63978000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":32259000,"accn":"0000091928-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2013-10-01","end":"2013-12-31","val":32259000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":32765000,"accn":"0000091928-14-000040","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"start":"2014-01-01","end":"2014-03-31","val":32765000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-03-31","val":65530000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":65530000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":32864000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-01-01","end":"2014-06-30","val":65728000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":32963000,"accn":"0000091928-14-000062","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"start":"2014-04-01","end":"2014-06-30","val":32963000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-04-01","end":"2014-06-30","val":65926000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":65926000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":32966000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-09-30","val":65932000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":33166000,"accn":"0000091928-14-000080","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-07-01","end":"2014-09-30","val":33166000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-07-01","end":"2014-09-30","val":66332000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2014-07-01","end":"2014-09-30","val":66332000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":33139000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-01-01","end":"2014-12-31","val":66278000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2014-01-01","end":"2014-12-31","val":66278000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":33652000,"accn":"0000091928-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"start":"2014-10-01","end":"2014-12-31","val":67304000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":68397000,"accn":"0000091928-15-000036","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":68397000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-03-31","val":68397000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":68397000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":68432000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":68432000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":68467000,"accn":"0000091928-15-000054","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":68467000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-04-01","end":"2015-06-30","val":68467000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2015-04-01","end":"2015-06-30","val":68467000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":68491000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":68491000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-15-000066","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2015-07-01","end":"2015-09-30","val":68607000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":68735000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-01-01","end":"2015-12-31","val":68735000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2015-01-01","end":"2015-12-31","val":68735000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2015-01-01","end":"2015-12-31","val":68735000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":69460000,"accn":"0000091928-16-000088","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"start":"2015-10-01","end":"2015-12-31","val":69460000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":71127000,"accn":"0000091928-16-000119","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":71127000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-03-31","val":71127000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2016-01-01","end":"2016-03-31","val":71127000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-03-31","val":71127000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":73213000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-01-01","end":"2016-06-30","val":73213000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-16-000131","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-04-01","end":"2016-06-30","val":75298000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":75316000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-01-01","end":"2016-09-30","val":75316000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":79478000,"accn":"0000091928-16-000146","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"start":"2016-07-01","end":"2016-09-30","val":79478000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-07-01","end":"2016-09-30","val":79478000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":79478000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-07-01","end":"2016-09-30","val":79478000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":76362000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-01-01","end":"2016-12-31","val":76362000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":76362000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":76362000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":79478000,"accn":"0000091928-17-000032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-27"},{"start":"2016-10-01","end":"2016-12-31","val":79478000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-10-01","end":"2016-12-31","val":79478000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":79519000,"accn":"0000091928-17-000067","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":79519000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-03-31","val":79519000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":79519000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2017-01-01","end":"2017-03-31","val":79519000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":79534000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":79534000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-17-000080","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":79534000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-04-01","end":"2017-06-30","val":79534000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2017-04-01","end":"2017-06-30","val":79549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":79539000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-17-000095","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-07-01","end":"2017-09-30","val":79539000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2017-07-01","end":"2017-09-30","val":79549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":79541000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":79549000,"accn":"0000091928-18-000034","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-10-01","end":"2017-12-31","val":79549000,"accn":"0000091928-18-000038","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":79549000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":79595000,"accn":"0000091928-18-000058","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07"},{"start":"2018-01-01","end":"2018-03-31","val":79595000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":79595000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":79595000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":81850000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-01-01","end":"2018-06-30","val":81850000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-18-000095","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":84080000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":83082000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-01-01","end":"2018-09-30","val":83082000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-18-000101","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":85506000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":83693000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":83693000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":83693000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":85506000,"accn":"0000091928-19-000032","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":85506000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":91332000,"accn":"0000091928-19-000049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":91332000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":91332000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2019-01-01","end":"2019-03-31","val":91332000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":91863000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":91863000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-19-000073","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":92389000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":92041000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":92041000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-19-000086","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":92392000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":92130000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":92130000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2019-01-01","end":"2019-12-31","val":92130000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":92130000,"accn":"0000091928-20-000013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-10-01","end":"2019-12-31","val":92130000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":92445000,"accn":"0000091928-20-000022","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":92445000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-03-31","val":92445000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":93078000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":93078000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-20-000040","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-04-01","end":"2020-06-30","val":93712000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":95599000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":95599000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-20-000054","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-07-01","end":"2020-09-30","val":100587000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":96854000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":96854000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":100590000,"accn":"0000091928-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":100845000,"accn":"0000091928-21-000022","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"start":"2021-01-01","end":"2021-03-31","val":100845000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":105902000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":105902000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-04-01","end":"2021-06-30","val":110902000,"accn":"0000091928-21-000035","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":110902000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":108108000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-01-01","end":"2021-09-30","val":108108000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":112448000,"accn":"0000091928-21-000042","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":112448000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":109269000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":118167000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":120316000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-04-01","end":"2022-06-30","val":122442000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":121040000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":122465000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"FinanceLeaseInterestPaymentOnLiability":{"label":"Finance Lease, Interest Payment on Liability","description":"Amount of interest paid on finance lease liability.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":64000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":190000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"FinanceLeasePrincipalPayments":{"label":"Finance Lease, Principal Payments","description":"Amount of cash outflow for principal payment on finance lease.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":55000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"OtherAssetImpairmentCharges":{"label":"Other Asset Impairment Charges","description":"The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":10745000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"ProceedsFromDividendsReceived":{"label":"Proceeds from Dividends Received","description":"Dividends received on equity and other investments during the current period.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":1770000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1714000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":2849000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"PublicUtilitiesPropertyPlantAndEquipmentNet":{"label":"Public Utilities, Property, Plant and Equipment, Net","description":"Period end amount of total net PPE.","units":{"USD":[{"end":"2020-12-31","val":4351539000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":4707186000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021Q4I"}]}},"RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Finance Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for finance lease liability.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":3057000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":2625000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for operating lease liability.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":15028000,"accn":"0000091928-22-000010","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2021"}]}},"MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders":{"label":"Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders","description":"Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.","units":{"USD":[{"start":"2022-01-01","end":"2022-03-31","val":130000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05"},{"start":"2022-01-01","end":"2022-03-31","val":130000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-03-31","val":130000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q1"},{"start":"2022-07-01","end":"2022-09-30","val":262000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}},"PaymentsToMinorityShareholders":{"label":"Payments to Noncontrolling Interests","description":"Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-01-01","end":"2022-03-31","val":130000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":130000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":392000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}},"ProceedsFromMinorityShareholders":{"label":"Proceeds from Noncontrolling Interests","description":"Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1213000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":1072000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-01-01","end":"2022-03-31","val":43000,"accn":"0000091928-22-000015","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-05","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":43000,"accn":"0000091928-22-000023","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-09-30","val":1368000,"accn":"0000091928-22-000029","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"}]}}}}}